# Talks See also lectures on my [YouTube channel](https://www.youtube.com/@SachdevSYK), at the [Perimeter Institute Archive](http://pirsa.org/index.php?p=speaker&name=Subir_Sachdev), and at [KITP, Santa Barbara](https://online.kitp.ucsb.edu/cgi-bin/rcarini/search.py?title_words=&speaker=Sachdev&field=%25&min_scope=0&since_year=1997). Public and pedagogical talks are marked with a **§§§**. - **Influence of Harris disorder on strange metals and quantum-critical superconductivity** \[[PDF](https://www.dropbox.com/scl/fi/0bojr2unww7rvoc13tokb/dresden26.pdf?rlkey=plzur6yqgdzlr710lot0d4tg1&st=chty3o7a&dl=0)\] ([Fluctuations, Disorder, and Strong Correlations](https://www.pks.mpg.de/fqdsc26), Celebrating Thomas Vojta’s 60th, MPIPKS, Dresden, June 22, 2025 ) - **Luttinger theorem violation in the cuprate pseudogap** \[[PDF](https://doi.org/10.5281/zenodo.20538409)\] ([Recent advances in studies of strongly correlated electrons](https://www.icisequynhon.com/conferences/2026/correlated-electrons/index.html), XXIInd Recontres du Vietnam, ICISE, Quy Nhon, Vietnam, June 4, 2026) - **Many-fermion quantum entanglement in strange metals and in black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uci26.pdf)\] (University of California, Irvine, May 21, 2026) - **Fractionalized Fermi liquid (FL\*) theory of intertwined order and hole pockets in the cuprate pseudogap** \[[PDF](https://doi.org/10.5281/zenodo.20184886); [Video](https://www.youtube.com/live/7dy3R1DYeZo)\] ([Colloquium on Modern Problems of Condensed Matter Physics](https://www.cond-mat.ru), Russia, May 14, 2026) - **Fermiology of the pseudogap, and the cuprate phase diagram** \[[PDF](https://doi.org/10.5281/zenodo.20059891)\] (CIFAR Annual meeting, Whistler, British Columbia, May 6, 2026) - **Fractionalized theory for intertwined orders and hole pockets in the cuprate pseudogap phase** \[[PDF](https://doi.org/10.5281/zenodo.20054140); [Video](https://www.youtube.com/watch?v=t6NUOY-jkqU)\] (University of British Columbia, Vancouver, May 5, 2026) - **§§§** **Superconductors, black holes and quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard26a.pdf)\] (Friends of the Physics Department, Harvard University, May 3, 2026) - **Many-fermion quantum entanglement in strange metals and in black holes** \[[PDF](https://doi.org/10.5281/zenodo.19716396); [Video](https://www.youtube.com/watch?v=QZLxcNknisA)\] ([Rutgers University](https://physics.rutgers.edu/events/events-calendar/icalrepeat.detail/2026/04/22/8687/-/many-fermion-quantum-entanglement-in-the-high-temperature-superconductors-and-in-black-holes), New Brunswick, April 22, 2026) - **SU(2) gauge theory for intertwined orders and hole pockets in the cuprate pseudogap phase** \[[PDF](https://doi.org/10.5281/zenodo.19715848); [Video](https://www.youtube.com/watch?v=XAf0NUojnss)\] ([Rutgers University](https://physics.rutgers.edu/events/events-calendar/icalrepeat.detail/2026/04/21/8661/-/su-2-gauge-theory-for-intertwined-orders-and-hole-pockets-in-the-cuprates), New Brunswick, April 21, 2026) - **Superconductors, black holes and quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/gcu26.pdf)\] ([Government College University](https://gcu.edu.pk/physics.php), Lahore , April 8, 2026) - **§§§** **Superconductors, black holes and quantum matter** \[[Video](https://www.youtube.com/watch?v=5vD1lJyGRVY); [PDF](https://doi.org/10.5281/zenodo.19567876)\] ([10th Abdus Salam Memorial Lecture](https://sbasse.lums.edu.pk/sir-abdus-salam-lec-2026), Syed Babar Ali School of Science & Engineering , [LUMS](https://lums.edu.pk), Lahore , April 7, 2026) - **Many-fermion quantum entanglement in the high temperature superconductors and in black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/osu26b.pdf)\] ([Physics Colloquium](https://physics.osu.edu/events/colloquium-subir-sachdev-harvard-many-fermion-quantum-entanglement-high-temperature) , Ohio State University, Columbus, March 10, 2026) - **SU(2) gauge theory for intertwined orders and hole pockets in the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/osu26a.pdf)\] (Ohio State University, Columbus, March 9, 2026) - **Many-fermion quantum entanglement in the high temperature superconductors and in black holes** \[[PDF](https://doi.org/10.5281/zenodo.18868034); [Video](https://www.youtube.com/watch?v=IIb51pMHx44)\] ([Physics Colloquium](https://physics.gatech.edu/event/school-physics-spring-colloquium-series-dr-subir-sachdev-0) , Georgia Tech, Atlanta, March 2, 2026) - **Many-fermion quantum entanglement in the cuprate superconductors** \[[PDF](https://doi.org/10.5281/zenodo.18703778); [Video](https://mediaspace.illinois.edu/media/t/1_csxx41af/400164003)\] ([Physics Colloquium](https://calendars.illinois.edu/detail/1953?eventId=33539581) , University of Illinois, Urbana, February 18, 2026) - **Many-fermion quantum entanglement in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/imperial26.pdf)\] ([Physics Colloquium](https://www.imperial.ac.uk/events/205049/physics-colloquium-professor-subir-sachdev-detecting-a-quantum-spin-liquid-in-the-cuprate-superconductors/) , Imperial College, London , February 12, 2026) - **Detecting the fractionalized Fermi liquid in the cuprate superconductors** \[[PDF](https://doi.org/10.5281/zenodo.18617566); [Video](https://www.youtube.com/watch?v=dpO1REP-bfA)\] ([CMT Forum](https://www.physics.ox.ac.uk/events/cmt-forum-subir-sachdev) , University of Oxford, February 11, 2026) - **Detecting the fractionalized Fermi liquid in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bristol26.pdf)\] (University of Bristol, February 9, 2026) - **Quantum entanglement of mobile fermions** \[[PDF](https://doi.org/10.5281/zenodo.18503472)\] ([Fermi Legacy in Low Energy Physics](https://www.lincei.it/it/manifestazioni/fermi-legacy-low-energy-physics), Celebrating the 100th anniversary of Enrico Fermi’s pioneering paper "Sulla quantizzione del gas perfecto monoatomic", Academia Nazionale dei Lincei, Rome , February 5, 2026) - **Quantum entanglement in nature: superconductors, quantum field theory, black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/leinweber26.pdf)\] (10 minute talk, Harvard University, January 20, 2026) - **Detecting a quantum spin liquid in the cuprate superconductors** \[[PDF](https://doi.org/10.5281/zenodo.18262027); [Video](https://www.youtube.com/watch?v=WdFyyIuXCqk)\] ([Mathematical Physics Webinar](https://cmsr.rutgers.edu/news-events-cmsr/mathematical-physics-webinar/eventdetail/2430/-/subir-sachdev-detecting-a-quantum-spin-liquid-in-the-cuprate-superconductors) , Rutgers University, January 14, 2026 ) - **Detecting a quantum spin liquid in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/edinburgh26.pdf)\] ([New Directions in Theoretical Physics 5](https://higgs.ph.ed.ac.uk/workshops/new-directions-in-theoretical-physics-5/), Higgs Centre For Theoretical Physics, University of Edinburgh, January 9, 2026) - **Detecting a quantum spin liquid in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr26.pdf)\] ([Tata Institute of Fundamental Research](https://www.tifr.res.in), Mumbai, January 5, 2026) - **§§§** **Superconductors, Black Holes, and Quantum Matter | Subir Sachdev on the SYK Model** \[[Video](https://www.youtube.com/watch?v=-3mn4tsjo9c)\] ([632nm Podcast](https://www.youtube.com/@632nmPodcast), December 23, 2025) - **Detecting spin liquid quantum entanglement by measuring Fermi surfaces** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iiser_tirupati25.pdf)\] ([Young Investigators Meet on Quantum Condensed Matter Theory 2025](https://docs.google.com/spreadsheets/d/11slDLEAiisz6Gcl0HqR4JDEUpge4Sn9k5FSBu28Z_gc/edit?gid=0#gid=0), Indian Institute of Science Education and Research, Tirupati, December 21, 2025) - **§§§** **100 years of many-particle quantum mechanics: from Bose and Fermi to quantum materials and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/christ25.pdf)\] ([CQTCS](https://christuniversity.in/center/C/CQTCS/), Christ University, Bengaluru, December 19, 2025) - **Fractionalized Fermi liquids (FL\*), observation of the Yamaji effect, and the cuprate phase diagram** \[[PDF](https://doi.org/10.5281/zenodo.17843099)\] ([New Directions in Condensed Matter Physics 2025](https://icmt.illinois.edu/workshops/New%20Directions%20in%20Condensed%20Matter%20Physics%202025/home), University of Illinois Urbana-Champaign, Celebrating Eduardo Fradkin’s 75th birthday, December 11, 2025) - **§§§** **Lectures on insulating and conducting quantum spin liquids** \[[Slides and notes](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ictp25g.pdf); [Lecture notes](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lectures_ictp.pdf); [Video I](https://www.youtube.com/watch?v=z6uo8wGBOxc); [Video II](https://www.youtube.com/watch?v=THW1QjaOjqs)\] ([ Advanced School and Conference on Quantum Matter ](https://indico.ictp.it/event/10879), ICTP, Trieste, December 1,2, 2025) - **Fractionalized Fermi liquid (FL\*) theory of the cuprate phase diagram: observation of the Yamaji effect** \[[PDF](https://doi.org/10.5281/zenodo.17607327); [Video](https://youtu.be/xmYqzRtlvas)\] ([Current Trends in Strongly Correlated and Frustrated Systems](https://www.pks.mpg.de/de/scfs25), Celebrating Sriram Shastry’s 75th birthday, Max Planck Institute for the Physics of Complex Systems , Dresden, November 11, 2025) - **§§§** **Planckian dynamics** \[[PDF](https://doi.org/10.5281/zenodo.17526808); [Videos](https://www.youtube.com/playlist?list=PLcD25rnTeV9jx82dKmlfol6zElrVNJquD)\] ([School on Emergent Phenomena in Non-Equilibrium Quantum Many-Body Systems](https://www.ictp-saifr.org/neq2025/) , ICTP-SAIFR, São Paulo, Brazil, November 3,4 2025) I. Hubbard model on the honeycomb lattice: hydrodynamics in graphene and related materials II. SYK as a solvable model of quantum matter without quasiparticles III. Hubbard model on the square lattice: spin density wave order, and a universal theory of strange metals from spatially random interactions IV. Spin liquids, Fractionalized Fermi liquids (FL\*) and the cuprate phase diagram: observation of the Yamaji effect. - **§§§** **100 years of many-particle quantum mechanics: from Bose and Fermi to quantum materials and black holes (with 2 spooky dreams)** \[[PDF](https://doi.org/10.5281/zenodo.17498091); [Video](https://www.youtube.com/watch?v=W1LH_VysA08)\] ([ICTP-SAIFR](https://www.ictp-saifr.org) distinguished public lecture, IFT-UNESP, Sao Paolo, Brazil , *October 31, 2025*) - **Observation of the Yamaji effect in a cuprate, and FL\* theory of the pseudogap** \[[PDF](https://dash.harvard.edu/handle/1/42720543); [Video](https://www.ias.edu/video/observation-yamaji-effect-cuprate-and-fl-theory-pseudogap)\] ([Workshop on Ultra-Quantum Matter](https://www.ias.edu/sns/program-details-ultra-quantum-matter-2025), Institute for Advanced Study, Princeton, October 20, 2025) - **Observation of the Yamaji effect in a cuprate, and FL\* theory of the pseudogap** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/budapest25.pdf); [Video](https://wigner.videotorium.hu/en/recordings/54889/observation-of-the-yamaji-effect-in-a-cuprate-and-fl-theory-of-the-pseudogap)\] ([Quantum Spin Liquids 2025, Experimental Enigmas & Theoretical Challenges](https://www.szfki.hu/QSL2025/index.html), HUN‑REN Research Centre for Natural Sciences, Budapest, October 8, 2025) - **§§§** **100 years of many-particle quantum mechanics: from Bose and Fermi to quantum materials and devices** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/budapest25a.pdf); [Video](https://wigner.videotorium.hu/hu/recordings/54883/public-talk-100-years-of-many-particle-quantum-mechanics-from-bose-and-fermi-to-quantum-materials-and-devices)\] (Public lecture at [Quantum Spin Liquids 2025, Experimental Enigmas & Theoretical Challenges](https://www.szfki.hu/QSL2025/index.html), HUN‑REN Research Centre for Natural Sciences, Budapest, October 7, 2025) - **Observation of the Yamaji effect in a cuprate, and FL\* theory of the pseudogap** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard25a.pdf); [Video](https://www.youtube.com/watch?v=YdoDxx6HLwU)\] ([Harvard-RIKEN 2nd Joint Quantum Workshop](https://hqifqsp.hsites.harvard.edu), Harvard University, October 3, 2025) - **Critical quantum liquids, and the cuprate high temperature superconductors** \[[PDF](https://dash.harvard.edu/handle/1/42721076)\] (Stony Brook University, September 23, 2025) - **Critical quantum liquids, and the cuprate high temperature superconductors** \[[PDF](https://doi.org/10.5281/zenodo.17499999); [Video](https://www.youtube.com/watch?v=zRDb9ndx2s4)\] ([International Year of Quantum Science and Technology (IYQ)-2025](https://www.tcgcrest.org/iyq-2025-speakers/), CQuERE (Centre for Quantum Engineering, Research and Education), TCG CREST, Kolkata, India, September 19, 2025) - **Fractionalized Fermi Liquid (FL\*) theory of the cuprate pseudogap and its connections to the cuprate phase diagram** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/flatiron25.pdf)\] (Quantum Cafe, [Center for Computational Quantum Physics](https://www.simonsfoundation.org/flatiron/center-for-computational-quantum-physics/), Flatiron Institute, New York, September 16, 2025) - **Critical quantum liquids, and the cuprate high temperature superconductors** \[[PDF](https://doi.org/10.5281/zenodo.17072646)\] ([Croucher Advanced Study Institute for Fractional Chern Insulators](https://projects.croucher.org.hk/advanced-study-institutes/fractional-chern-insulators-theory-numerics-and-experiment), University of Hong Kong, September 4,5, 2025) - **Quantum critical dynamics and transport near 2+1 dimensional quantum critical points** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/desy25.pdf); [Video](https://www.youtube.com/watch?v=nlCKmexUT80)\] ([Thermal Seminars](https://sites.google.com/view/thermalseminars), DESY, September 2, 2025) - **Critical quantum liquids, and the cuprate high temperature superconductors** \[[PDF](https://dash.harvard.edu/handle/1/42719034)\] ([The First International Quantum Horizons Symposium](https://www.quantumhorizonsab.ca/fiqh-symposium), Quantum Horizons Alberta, Banff Centre, August 21, 2025) - **§§§** **Planckian dynamics** ([School on Quantum Dynamics of Matter, Light and Information](https://indico.ictp.it/event/10860), ICTP, Trieste, August 18,19, 2025) I. **SYK as a solvable model of quantum matter without quasiparticles** \[[PDF](https://dash.harvard.edu/handle/1/42719033); [Video](https://www.youtube.com/watch?v=-i3cuEfz_WA)\] II. **Quantum critical dynamics of the Ising model in 2 spatial dimensions** \[[PDF](https://dash.harvard.edu/handle/1/42719030); [Video](https://www.youtube.com/watch?v=oQmD1Iwojx8)\] III. **Strange metal from metallic quantum phase transitions with spatial disorder** \[[PDF](https://dash.harvard.edu/handle/1/42719031); [Video](https://www.youtube.com/watch?v=SEqFKML8SKo)\] - **§§§** **FL\* theory of the pseudogap in the cuprates** ([Joint ICTP-WE Heraeus School and Workshop on Advances in Quantum Matter: Pushing the Boundaries](https://indico.ictp.it/event/10859), ICTP, Trieste, August 4,6, 2025) I. **Mean-field theory using ancillas** \[[PDF](https://dash.harvard.edu/handle/1/42719028); [Video](https://www.youtube.com/watch?v=nsUi-EWCckA)\] II. **Critical quantum spin liquids and** ***d*****-wave superconductivity** \[[PDF](https://dash.harvard.edu/handle/1/42719029); [Video](https://www.youtube.com/watch?v=640JycieFiI)\] - **§§§** **Harnessing Multi-Electron Entanglement in Modern Quantum Materials** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qib25.pdf)\] ([Quantum India Bengaluru 2025](https://www.quantumindiabengaluru.com/conference.php), July 31, 2025) - **FL\* theory of the pseudogap, and the transition to** ***d*****-wave superconductivity in the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts25b.pdf); [Video](https://www.youtube.com/watch?v=31YRSWiUYjA)\] ([Fractionalized Quantum Matter](https://www.icts.res.in/discussion-meeting/DMFQM), International Centre for Theoretical Sciences, Bengaluru, July 29, 2025) - **§§§** **Critical quantum liquids and the cuprate high temperature superconductors** \[[PDF](https://doi.org/10.5281/zenodo.16421313); [Videos](https://www.youtube.com/playlist?list=PLcD25rnTeV9i2c4s3C9I8RQjy9Js_mY-h)\] (4 lectures at the [Boulder School 2025: Dynamics of Strongly Correlated Electrons](https://boulderschool.yale.edu/2025/boulder-school-2025), University of Colorado, July 14-18, 2025) - **FL\* theory of the pseudogap, and the transition to** ***d*****-wave superconductivity in the cuprates** \[[PDF](https://dash.harvard.edu/handle/1/42718703)\] ([Conference on Strongly Correlated Electron Systems 2025](https://sces2025.org/en), Montreal, July 7, 2025) - **Critical quantum liquids and the cuprate high temperature superconductors** \[[PDF](https://dash.harvard.edu/handle/1/42718608)\] ([Frontiers in Physics of Quantum Materials, Schmalian Fest 2025](https://www.tkm.kit.edu/english/talks/4267.php), Karlsruhe Institute of Technology, June 25, 2025) - **How the SO(5)** ***k=1*** **WZW near-CFT3 explains the underdoped regime of the cuprate high temperature superconductors** \[[PDF](https://dash.harvard.edu/handle/1/42718494); [Video](https://www.youtube.com/watch?v=U89XqX3vWO8)\] ([Fuzzy Sphere meets Conformal Bootstrap](https://indico.math.cnrs.fr/event/13856/timetable/), IHES, Paris, June 3, 2025) - **Critical quantum spin liquids, SYK models, and the cuprate high temperature superconductors** \[[PDF](https://dash.harvard.edu/handle/1/42718495); [Video](https://www.youtube.com/watch?v=fm7J1w_lP6g&t=3001s)\] ([Joint ICTP-Lincei Conference on Quantum Physics: from Foundations to Emerging Technologies](https://indico.ictp.it/event/10838/other-view?view=ictptimetable), Trieste, May 30, 2025) - **Laudatio for David Nelson** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Nelson_Laudatio.pdf)\] ([128th Statistical Mechanics Conference](https://cmsr.rutgers.edu/news-events-cmsr/statistical-mechanics-conference/icalrepeat.detail/2025/05/18/2333/-/128th-statistical-mechanics-conference), Rutgers University, May 19, 2025) - **Spin liquids and the cuprate superconductors** \[[PDF](https://dash.harvard.edu/handle/1/42718496)\] ([128th Statistical Mechanics Conference](https://cmsr.rutgers.edu/news-events-cmsr/statistical-mechanics-conference/icalrepeat.detail/2025/05/18/2333/-/128th-statistical-mechanics-conference), Rutgers University, May 19, 2025) - **FL\* theory of the pseudogap,** ***d*****-wave superconductivity, and charge order in the cuprates** \[[PDF](https://dash.harvard.edu/handle/1/42718497)\] ([Role of Topology, Dimensionality and Correlations in Unconventional Superconductivity](https://www.grc.org/superconductivity-conference/2025/), Superconductivity Gordon Research Conference, Les Diablerets, May 5, 2025) - **Spin liquid entanglement in the cuprates** \[[PDF](https://doi.org/10.5281/zenodo.15322760); [Video](https://www.youtube.com/watch?v=6nrY2w1mqds)\] ([Entanglement in Quantum Materials and Beyond](https://sites.harvard.edu/entanglement-explored/), Harvard Radcliffe Institute, May 1, 2025) - **Spin liquids, Sachdev-Ye-Kitaev models, and the cuprate superconductors** \[[PDF](https://dash.harvard.edu/handle/1/42718493); [Video](https://youtu.be/Tt8_H0SjVfA)\] ([The Mosaic of Interests of Jorge Kurchan](https://sites.google.com/view/jksfest/home), Théatre de la Reine Blanche, Paris, April 15, 2025) - **The foot, the fan, and the pseudogap** \[[PDF](https://dash.harvard.edu/handle/1/42718498)\] ([Condensed Matter Physics: New Frontiers in Long-Standing Problems, A Conference in Honor of Steve Kivelson's 70th Birthday](https://web.cvent.com/event/e3f04a14-70be-4edf-8356-4bd9102bd6f6/summary), Stanford University March 23, 2025) - **Entanglement in quantum matter: spin liquids and Sachdev-Ye-Kitaev models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rice25.pdf)\] (eQMA Distinguished Lecture, Rice University, Houston, February 19, 2025) - **Entanglement in quantum matter: spin liquids and Sachdev-Ye-Kitaev models** \[[PDF](https://doi.org/10.5281/zenodo.15495824); [Video](https://www.youtube.com/watch?v=DrPttbLPi4A)\] (Columbia University, New York, February 17, 2025) - **The foot, the fan, and the cuprate phase diagram: Fermi-volume-changing quantum phase transitions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard25.pdf)\] (Harvard University, February 7, 2025) - **Fermi-volume-changing quantum phase transitions and the cuprate phase diagram** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/fsu25b.pdf)\] (Florida State University, Tallahassee, January 31, 2025) - **Entanglement in quantum matter: spin liquids and Sachdev-Ye-Kitaev models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/fsu25a.pdf)\] (Florida State University, Tallahassee, January 30, 2025) - **Entanglement in quantum matter: spin liquids and Sachdev-Ye-Kitaev models** \[[PDF](https://doi.org/10.5281/zenodo.15498906); [Video](https://www.youtube.com/watch?v=xfa08a2YvGI)\] ([Special Colloquium](https://www.rri.res.in/events/entanglement-quantum-matter-spin-liquids-and-syk-models), Raman Research Institute, Bengaluru, January 21, 2025) - **Quantum entanglement in quantum matter** \[[PDF](https://doi.org/10.5281/zenodo.15498923); [Video](https://www.youtube.com/watch?v=wXANWgUQH3E)\] ([QM 100](https://www.icts.res.in/discussion-meeting/QM100), International Centre for Theoretical Sciences, Bengaluru, January 14, 2025) - **Fermi-volume-changing quantum phase transitions and the cuprate phase diagram** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitm25c.pdf)\] ([Evolution of Electronic Structure Theory & Experimental Realization](https://cammd.iitm.ac.in/eester-2025/), Indian Institute of Technology, Madras, January 8, 2025) - **§§§** **100 years of quantum mechanics: from Bose and Einstein to superconductors and black holes** \[[PDF](https://doi.org/10.5281/zenodo.15498939); [Video](https://www.youtube.com/watch?v=h5-Ze4ec_o0)\] ([Eminent Speaker Lecture Series](https://www.facebook.com/photo?fbid=562721639856070&set=a.124956363632602), Indian Institute of Technology, Madras, January 7, 2025) - **From the Sachdev-Ye-Kitaev model to theories of strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitm25a.pdf)\] ([Spotlight Lecture](https://www.shaastra.org/spotlight), Shaastra 2025, Indian Institute of Technology, Madras, January 6, 2025) - **Fermi-volume-changing quantum phase transitions and the cuprate phase diagram** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisc25.pdf)\] ([Indian Institute of Science](http://www.physics.iisc.ac.in), Bengaluru, January 2, 2025) - **From the Sachdev-Ye-Kitaev model to theories of strange metals and charged/rotating black holes** \[[PDF](https://doi.org/10.5281/zenodo.14114498); [Video](https://www.youtube.com/watch?v=EEJtuy9M1E0)\] ([International Conference on Bose-Einstein Condensation, Superconductivity, Superfluidity and Quantum Magnetism](https://www.bose.res.in/Conferences/ICBEC24/), S. N. Bose National Centre for Basic Sciences, Kolkata, November 12-16, 2024) - **Decoding the phases of the cuprates using fractionalization and spinons** \[[PDF](https://doi.org/10.5281/zenodo.14064158)\] (Key Advances in Quantum Materials, Jouvence, Canada, October 15, 2024) - **From the Sachdev-Ye-Kitaev model to a universal theory of strange metals** \[[PDF](https://doi.org/10.5281/zenodo.14740130); [Video](https://www.youtube.com/watch?v=YgaEswmotXk&list=PLgH2FJGwAbKur-Uw5egHEtWGjgyojY8b9&index=11)\] (Progress in Physics 2024, Condensed Matter, Institute of Physics, London, October 10, 2024) - **Quantum entanglement in nature: high temperature superconductors and black holes** \[[PDF](https://doi.org/10.5281/zenodo.14064177); [Video](https://www.youtube.com/watch?v=SmnKF_wyVB8)\] (New York University, October 3, 2024) - **Quantum entanglement in nature: high temperature superconductors and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/washu24.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/washu24.key.zip)\] ([Feenberg Lecture](https://physics.wustl.edu/eugene-feenberg-memorial-lecture-series), Washington University in St. Louis, September 25, 2024) - **Quantum entanglement in nature: superconductors and black holes** \[[PDF](https://doi.org/10.5281/zenodo.15498972); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iiser_berhampur24.key.zip); [Video](https://www.youtube.com/watch?v=KwffxPN9Yu0)\] (Inverse 137, [Indian Institute of Science Education and Research](https://www.iiserbpr.ac.in), Berhampur, Odisha, August 9, 2024) - **Quantum spin liquids and the cuprate high temperature superconductors** \[[PDF](https://doi.org/10.5281/zenodo.14064721); [Video](https://www.koushare.com/live/details/36149)\] ([Institute for Interdisciplinary Information Sciences Lecture Series](https://iiis.tsinghua.edu.cn/en/show-10601-1.html), Tsinghua University, Beijing, July 18, 2024) - **From the Sachdev-Ye-Kitaev model to a universal theory of strange metals** \[[PDF](https://doi.org/10.5281/zenodo.15495888); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icbs24.key.zip); [Video](https://www.youtube.com/watch?v=dIZbP9hnU2c)\] ([International Congress of Basic Science](https://2024.icbs.cn/site/?pageId=c00c6f63-a311-40da-8fa3-4e8cb7cddb05), [Beijing Institute of Mathematical Sciences and Applications](https://www.bimsa.cn) (BIMSA), July 15, 2024) - **Quantum phase transitions of metals** \[[Lecture notes and slides](https://arxiv.org/abs/2407.15919); [Videos](https://www.youtube.com/playlist?list=PLcD25rnTeV9jGNXx-7XGKazw6d5yGhyWQ)\] (Prospects in Theoretical Physics 2024, Quantum Matter Summer School, Institute for Advanced Study, Princeton, July 8-11, 2024) - **Quantum entanglement in nature: superconductors and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/weizmann24.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/weizmann24.key.zip); [Video](https://www.youtube.com/watch?v=h_TF2tTbYXY)\] (Symposium on Condensed Matter, Weizmann Institute of Science, Israel June 30, 2024) - **Spin liquid entanglement in the Fermi sea** \[[PDF](https://doi.org/10.5281/zenodo.14064781)\] ([Exotic quantum matter from quantum spin liquids to novel field theories](https://agenda.infn.it/event/39804/), Castello dei Principi Capano, Pollica, Italy, June 25, 2024) - **Universal theory of strange metals** \[[PDF](https://doi.org/10.5281/zenodo.14064741); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ictp24.key.zip); [Video](https://www.youtube.com/watch?v=Ac5tUs433tc)\] ([Joint ICTP-SISSA colloquium](https://www.ictp.it/news/2024/6/ictpsissa-joint-colloquium), Trieste, June 19, 2024) - **Quantum entanglement in nature: superconductors and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp24b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp24b.key.zip); [Video](https://online.kitp.ucsb.edu/online/colloq/sachdev/)\] (University of California, Santa Barbara, May 21, 2024) - **The pseudogap metal and its confinement transitions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp24a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp24a.key.zip); [Video](https://online.kitp.ucsb.edu/online/gapless24/sachdev/)\] ([Correlated Gapless Quantum Matter](https://www.kitp.ucsb.edu/activities/gapless24), KITP, Santa Barbara, May 21, 2024) - **Universal theory for quantum phase transitions in two-dimensional metals with Harris disorder** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp24.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp24.key.zip); [Video](https://www.youtube.com/watch?v=DvmaI4Qqn6Y)\] ([Theories, Experiments and Numerics on Gapless Quantum Many-body Systems](https://www.kitp.ucsb.edu/activities/gapless-c24), KITP, Santa Barbara, May 14, 2024) - **Quantum entanglement in nature: superconductors and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/michigan24.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/michigan24.key.zip)\] (University of Michigan, Ann Arbor, April 3, 2024) - **Quantum spin liquids and the cuprate high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/toronto24a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/toronto24a.key.zip)\] (University of Toronto, March 22, 2024) - **Quantum entanglement in nature: superconductors and black holes** \[[PDF](https://doi.org/10.5281/zenodo.15502087); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/toronto24.key.zip); [Video](https://www.youtube.com/watch?v=fxP5RU2QreE)\] (University of Toronto, March 21, 2024) - **Universal theory of strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter24.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter24.key.zip); [Video](https://pirsa.org/24030117)\] (Perimeter Institute, Waterloo, March 14, 2024) - **SYK and overdamped-boson-localization regimes in the theory of strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch24.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch24.key.zip)\] (APS March meeting, [B07.00006](https://meetings.aps.org/Meeting/MAR24/Session/B07.6), Minneapolis, March 4, 2024) - **The role of disorder in the theory of strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota24.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota24.key.zip)\] ([FTPI March Meeting](https://cse.umn.edu/ftpi/march-meeting-2024-workshop), University of Minnesota, Minneapolis, March 1, 2024) - **Quantum spin liquids and the cuprate high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitd24a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitd24a.key.zip)\] ([Indian Institute of Technology](https://physics.iitd.ac.in), Delhi, January 5, 2024) - **§§§** **Quantum entanglement in nature** \[[Poster](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitd_poster.jpeg); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitd24.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitd24.key.zip); [Video](https://www.youtube.com/watch?v=6LBI9yarl58)\] (Institute Lecture, Indian Institute of Technology, Delhi, January 3, 2024) - **Quantum statistical mechanics of strange metals and black holes** \[[Poster](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisc_poster.jpeg); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisc23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisc23.key.zip)\] ([Indian Institute of Science](http://www.physics.iisc.ac.in), Bengaluru, December 29, 2023) - **§§§** **Quantum entanglement in nature: superconductors and black holes** \[[Poster](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iasc_poster.pdf); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iasc23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iasc23.key.zip); [Video](https://www.youtube.com/watch?v=6b-tkoFBIj0)\] (Indian Academy of Sciences Public Lecture, National College, Bengaluru, December 28, 2023) - **Quantum spin liquids and the cuprate high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jncasr23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jncasr23.key.zip)\] ([Jawaharlal Nehru Centre for Advanced Scientific Research](https://www.jncasr.ac.in), Bengaluru, December 27, 2023) - **§§§** **Quantum entanglement in nature: superconductors and black holes** \[[Poster](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iacs_poster.pdf); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iacs23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iacs3.key.zip); [Video](https://www.youtube.com/watch?v=KV1wq8eApWI)\] (Indian Association for the Cultivation of Science, Kolkata, December 22, 2023) - **Universal theory of transport in strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/snbose23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/snbose23.key.zip); [Video](https://www.youtube.com/watch?v=gkLoQYeG6s0)\] ([Statphys Kolkata XII](https://sites.google.com/iiserkol.ac.in/statphyskxii/home), S.N. Bose National Center for Basic Sciences, Kolkata, December 20, 2023) - **§§§** **Quantum entanglement in nature: superconductors and black holes** \[[Poster](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifrh_poster.pdf); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifrh23a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifrh23a.key.zip); [Video](https://www.youtube.com/watch?v=w6NP5H32ius)\] (Tata Institute of Fundamental Research, Hyderabad, December 16, 2023) - **Universal theory of transport in strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifrh23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifrh23.key.zip)\] ([Pan-TIFR condensed matter physics conference](https://sites.google.com/tifrh.res.in/cmp2023?pli=1), Tata Institute of Fundamental Research, Hyderabad, December 15, 2023) - **Ancilla theory of the pseudogap and of the cuprate phase diagram** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mpq23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mpq23.key.zip)\] (Max Planck Institute of Quantum Optics, Garching, November 17, 2023) - **Ancilla theory of the pseudogap and of the cuprate phase diagram** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ringberg23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ringberg23.key.zip)\] (Ringberg Castle, Max Planck Institute for Solid State Research, Stuttgart, November 16, 2023) - **Fate of SYK-type strange metals at low temperatures** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago23.key.zip); [Video](https://www.youtube.com/watch?v=99utYKM8LNo)\] ([Non-Fermi Liquids: Recent Developments and Future Prospects](https://kctp.uchicago.edu/events/non-fermi-liquids-recent-developments-and-future-prospects/), Kadanoff Center for Theoretical Physics and James Franck Institute, University of Chicago, October 28, 2023) - **Quantum glasses, reparameterization invariance, Sachdev-Ye-Kitaev models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/solvay23d.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/solvay23d.key.zip)\] (Rapporteur presentation at the 29th Solvay Conference on Physics: "The Structure and Dynamics of Disordered Systems", Brussels, October 21, 2023) - **Understanding the cuprate phase diagram from a theory of the pseudogap metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp23b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp23b.key.zip); [Video](https://online.kitp.ucsb.edu/online/quasipart23/sachdev/)\] ([Quantum Materials With and Without Quasiparticles](https://www.kitp.ucsb.edu/activities/quasipart23), KITP, Santa Barbara, October 5, 2023) - **Universal theory of strange metals from spatially random interactions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp23a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp23a.key.zip); [Video](https://online.kitp.ucsb.edu/online/quasipart-c23/sachdev/)\] ([Electron Correlations beyond the Quasiparticle Paradigm: Theory and Experiment](https://online.kitp.ucsb.edu/online/quasipart-c23/), Conference at KITP, Santa Barbara, September 18, 2023) - **Quantum spin liquids and the phase diagram of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uqm23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uqm23.key.zip)\] (Ultra Quantum Matter meeting, Harvard, September 15, 2023) - **Quantum spin liquids and the phase diagram of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/epiqs23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/epiqs23.key.zip)\] (EPiQS Investigator Symposium, Rancho Bernado Inn, San Diego, August 3, 2023) - **Stripes,** ***d*****-wave superconductivity, and quantum spin liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/leiden23b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/leiden23b.key.zip)\] ([Stripes, Planckian Dissipation and Quantum Supremacy, Zaanen Fest](https://zaanenfest.nl), Leiden University, July 17, 2023) - **Quantum spin liquids and the phase diagram of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/oxford23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/oxford23.key.zip)\] (University of Oxford, July 11, 2023) - **Quantum statistical mechanics of the SYK model, charged black holes, and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/damtp23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/damtp23.key.zip)\] (DAMTP, University of Cambridge, UK, July 10, 2023) - **Quantum statistical mechanics of charged black holes and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/leiden23a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/leiden23a.key.zip); [Video](https://www.lorentz.leidenuniv.nl/www/ce/videos/20230705)\] ([Colloquium Ehrenfestii](https://www.lorentz.leidenuniv.nl/www/ce/), Instituut Lorentz, Leiden University, July 5, 2023) - **When nature entangles millions of particles: from quantum materials to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/wurzburg23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/wurzburg23.key.zip); [Video](https://www.youtube.com/watch?v=6o6J7vWpQoQ)\] (University of Wurzburg, July 3, 2023) - **Quantum spin liquids and the phase diagram of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/antwerp23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/antwerp23.key.zip); [Video](https://www.youtube.com/watch?v=BhxCpQCb66U)\] (University of Antwerp, June 26, 2023) - **Quantum statistical mechanics of charged black holes and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kul23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kul23.key.zip)\] ([Institute for Theoretical Physics](https://fys.kuleuven.be/itf), KU Leuven, June 23, 2023) - **§§§** **SYK tutorial** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/solvay23b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/solvay23b.key.zip)\] ([2023 Jacques Solvay International Chair in Physics](http://www.solvayinstitutes.be/html/chair.html), Brussels, June 22, 2023) 1. **Large-*****N*** **theory of the SYK model** 2. **Finite-*****N*** **theory of the SYK model** 3. **Quantum Einstein-Maxwell gravity theory of charged black holes** 4. **Universal theory of strange metals** - **§§§** **When nature entangles millions of particles: from quantum materials to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/solvay23a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/solvay23a.key.zip)\] ([2023 Jacques Solvay International Chair in Physics](http://www.solvayinstitutes.be/html/chair.html), Inaugural Lecture, Brussels, June 20, 2023) - **Quantum spin liquids and the phases of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ictp23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ictp23.key.zip)\] (International Centre for Theoretical Physics, Trieste, May 29, 2023) - **Spin liquids and the phases of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter23.key.zip); [Video](https://pirsa.org/23050038)\] (Perimeter Institute, May 17, 2023) - **A model of the cuprates: from the pseudogap metal, to d-wave superconductivity and charge order** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc23.key.zip)\] (Superconductivity Gordon Research Conference, Interactions, Topology and Applications, Les Diablerets, May 3, 2023) - **A model of the cuprates: from the pseudogap metal, to d-wave superconductivity and charge order** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard_cmsa23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard_cmsa23.key.zip); [Video](https://www.youtube.com/watch?v=ueT28iMdjzE)\] (Quantum Matter Seminar, CMSA, Harvard, April 21, 2023) - **§§§** **When nature entangles millions of particles: from quantum materials to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tirupati23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tirupati23.key.zip); [Video](https://www.youtube.com/watch?v=an_SeRoK8CQ)\] (Talk to Physics Club, [IISER Tirupati](http://www.iisertirupati.ac.in), April 10, 2023) - **§§§** **When nature entangles millions of particles: from quantum materials to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uva23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uva23.key.zip); [Video](https://www.youtube.com/watch?v=s5OJVWNRfLE)\] ([Llewellyn G. Hoxton Lecture](https://www.phys.virginia.edu/Announcements/talk-list.asp?SELECT=SEARCH:hoxton), University of Virginia, Charlottesville, April 6, 2023) - **When nature entangles millions of particles: from quantum materials to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cmu23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cmu23.key.zip)\] ([Carnegie Mellon University](https://www.physicsandastronomy.pitt.edu/events/joint-pitt-cmu-colloquium-subir-sachdev-harvard-university), March 20, 2023) - **§§§** [Lectures at Hong Kong University](https://www.koushare.com/topic-hd/i/HKCTPSG), March 14-16, 2023. 1. **§§§ When nature entangles millions of particles: from quantum materials to black holes** \[[Poster](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hongkong/lec1.pdf); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hongkong23a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hongkong23a.key.zip); [Video](https://www.youtube.com/watch?v=iY4cifHMttc)\] 2. **Introduction to quantum spin liquids** \[[Poster](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hongkong/lec2.pdf); [Video](https://www.youtube.com/watch?v=Z8RBUAb3m2U)\] 3. **The cuprate phase diagram: theory of the pseudogap metal,** ***d*****-wave superconductivity, and charge order** \[[Poster](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hongkong/lec3.pdf); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hongkong23c.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hongkong23c.key.zip); [Video](https://www.youtube.com/watch?v=HJ3I6zfeKIc)\] 4. **Universal theory of strange metals** \[[Poster](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hongkong/lec4.pdf); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hongkong23d.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hongkong23d.key.zip); [Video](https://www.youtube.com/watch?v=6CF9Eg0wSjg)\] - **Universal theory of strange metals from spatially random interactions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tcgcrest23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tcgcrest23.key.zip); [Video](https://vimeo.com/819747858)\] ([Walter Kohn Centenary Celebration Symposium](https://www.tcgcrest.org/symposium/), [TCG CREST](https://www.tcgcrest.org), Kolkata, March 9, 2023) - **A model of** ***d*****-wave superconductivity, antiferromagnetism, and charge order on the square lattice** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch23c.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch23c.key.zip)\] (American Physical Society March Meeting, Las Vegas, Session F30, March 7, 2023) - **Role of spatial disorder in strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch23b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch23b.key.zip)\] (American Physical Society March Meeting, Las Vegas, Session B24: Do strange metals exhibit Planckian dissipation?, March 6, 2023) - **§§§ From SYK models to a universal theory of strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch23a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch23a.key.zip)\] (American Physical Society March Meeting, Las Vegas, Tutorial Session T3: Strange Metals, March 5, 2023) - **Graphene flakes, strange metals, and black holes: insights from the SYK model** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr23.key.zip)\] (Tata Institute of Fundamental Research, Mumbai, January 17, 2023) - **Graphene flakes, strange metals, and black holes: insights from the SYK model** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/imsc23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/imsc23.key.zip); [Video](https://www.youtube.com/watch?v=OuxVm2wg8OU)\] (Institute Colloquium, The Institute of Mathematical Sciences, Chennai, January 16, 2023) - **Experiments on graphene flakes and strange metals: insights from the SYK model** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/abudhabi23.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/abudhabi23.key.zip)\] ([Abu Dhabi Meeting on Theoretical Physics](https://nyuad.nyu.edu/en/events/2023/january/abu-dhabi-meeting-on-theoretical-physics.html), NYU Abu Dhabi, January 10, 2023) - **When nature entangles millions of particles: from quantum materials to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/issp22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/issp22.key.zip); [Video](https://www.youtube.com/watch?v=ylZY5hCnqFg)\] ([The Institute for Solid State Physics](https://www.issp.u-tokyo.ac.jp/maincontents/seminar/all2_en.html?ptype=seminar&pid=17266), The University of Tokyo, December 9, 2022) - **Paramagnon fractionalization theory of the cuprate pseudogap and phase diagram** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tokyo22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tokyo22.key.zip); [Video](https://www.youtube.com/watch?v=M_ZlwY4FNsE)\] ([Integrated Spectroscopy for Strong Electron Correlation - Theory, Computation and Experiment](http://fpmrt.riken.jp/public_html/issec2022/), The 13th TOYOTA RIKEN International Workshop, University of Tokyo, December 7, 2022) - **§§§ When nature entangles millions of particles: from quantum materials to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chalmers22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chalmers22.key.zip)\] ([A nano focus on quantum materials](https://www.chalmers.se/en/conference/nano_focus/Pages/default.aspx), Chalmers University of Technology, Gothenberg, November 28, 2022) - **Paramagnon fractionalization theory of the cuprate pseudogap** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/itamp22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/itamp22.key.zip); [Video](https://www.youtube.com/watch?v=qGwKld31E5o)\] ([Quantum Simulation of Doped Hubbard Systems](https://lweb.cfa.harvard.edu/itamp-event/quantum-simulation-doped-hubbard-systems), ITAMP, Harvard, November 15, 2022) - **Quantum statistical mechanics of black holes and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apctp22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apctp22.key.zip); [Video](https://www.youtube.com/watch?v=kPvEPiWI2-I)\] ([Colloquium, Asia Pacific Center for Theoretical Physics](https://apctp.org/theme/d/html/research/colloquium-read.php?id=5&page=1), Pohang, South Korea, November 4, 2022) - **Strange metals: strongly correlated quantum matter with spatially random interactions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rice22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rice22.key.zip)\] ([Workshop on Strange Metals and Emergent Physics in Materials and Structures](https://rcqm.rice.edu/events/120), Rice Center for Quantum Materials, Rice University, October 31, 2022) - **Quantum statistical mechanics of black holes and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/quist22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/quist22.key.zip); [Video](https://www.koushare.com/lives/room/029509)\] (QuIST webinar; Quantum Information, Spacetime, and Topological Matter, Yau Mathematical Sciences Center, Tsinghua University, October 27, 2022) - **When nature entangles millions of particles: from quantum materials to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lyon22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lyon22.key.zip)\] ([Laboratoire de Physique, Ecole normale superieure de Lyon](http://www.ens-lyon.fr/PHYSIQUE/seminars/autres-seminaires/2022-10-21-Sachdev), France, October 21, 2022) - **CFTs in 0+1 dimensions: implications for charged black holes and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ggi22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ggi22.key.zip); [Video](https://www.youtube.com/watch?v=SwG0_eT3Mps&list=PL1CFLtxeIrQql62hKoswDd1QfalRATOLs&index=16)\] ([Bootstrapping Nature: Non-perturbative Approaches to Critical Phenomena](https://www.ggi.infn.it/showevent.pl?id=412), The Galileo Galilei Institute For Theoretical Physics, Firenze, October 20, 2022) - **Quantum statistical mechanics of strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/capetown22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/capetown22.key.zip); [Video](https://www.youtube.com/watch?v=0hWoySy8gG8)\] (University of Capetown, South Africa, October 14, 2022) - **Quantum statistical mechanics of charged black holes and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cmsa22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cmsa22.key.zip); [Video](https://www.youtube.com/watch?v=2LUxbTe6PCQ)\] (CMSA colloquium, Harvard, October 5, 2022) - **Quantum statistical mechanics of black holes and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/colorado22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/colorado22.key.zip)\] (University of Colorado, Boulder, September 30, 2022) - **Future of gapless UQM** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/UQM22b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/UQM22b.key.zip)\] ([Simons Collaboration on Ultra-Quantum Matter](https://projects.iq.harvard.edu/ultra-qm/caltech-meeting), Program Meeting, Caltech, September 20, 2022) - **Strange Metals: Strongly Correlated Quantum Matter with Spatially Random Interactions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Patel_Kuemmel.pdf)\] ([Kuemmel Award](https://tinyurl.com/2uavckkb) Talk by [**Aavishkar Patel**](https://scholar.google.co.in/citations?user=K7a-EsQAAAAJ&hl=en) at Recent Progress in Many Body Theories XXI, September 14 2022, Chapel Hill, NC) - **Yukawa-SYK models and a universal theory of strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/localisation22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/localisation22.key.zip); [Video](https://www.youtube.com/watch?v=xsNrFL5WI6c)\] ([Localisation 2022](https://2022.localisation.cloud/home), Hokkaido University, Sapporo, Japan, August 30, 2022) - **Yukawa-SYK models and a universal theory of strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/montreal22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/montreal22.key.zip); [Video](https://www.youtube.com/watch?v=1vjR3ZT4T7k)\] ([Conformal field theory and quantum many-body physics](http://www.crm.umontreal.ca/2022/Conformal22/horaire_e.html), Centre de Recherches Mathematiques, University de Montreal, August 25, 2022) - **Large** ***N*** **theory of critical Fermi surface and strange metal** \[[Video](https://www.youtube.com/watch?v=2A_l5-OLVCY)\] (Talk by **Haoyu Guo** at Harvard CMSA seminar, August 16, 2022) - **Universal theory of strange metals from spatially random interactions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aptos22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aptos22.key.zip)\] (EpiQS Investigator Symposium, Gordon and Betty Moore Foundation, August 8-11, 2022) - **Universal theory of strange metals from spatially random interactions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/wurzburg22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/wurzburg22.key.zip)\] ([International Conference on Complexity and Topology in Quantum Matter](http://www.ctqmat22.uni-wuerzburg.de/index.php), CT.QMAT22, Wurzburg, July 26, 2022) - **Quantum statistical mechanics of black holes and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/crete22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/crete22.key.zip)\] ([12th Crete Regional Meeting in String Theory](https://sites.google.com/view/12th-regional-meeting/home), Orthodox Academy of Crete, Kolymbari, Greece, July 7, 2022) - **Non-Fermi liquids vs. Strange Metals vs. Bad Metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc22.key.zip)\] ([Correlated Electron Systems, Gordon Research Conference](https://www.grc.org/correlated-electron-systems-conference/2022/), Mount Holyoke College, June 29, 2022) - **Quantum statistical mechanics of black holes and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ictp22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ictp22.key.zip); [Video](https://www.youtube.com/watch?v=GBJ1yO7z4SY)\] ([International Centre for Theoretical Physics](https://www.ictp.it/about-ictp/media-centre/news/2022/6/colloquium-sachdev.aspx), Trieste, Italy, June 14, 2022) - [Condensed Matter Physics in City](https://research.kent.ac.uk/pqm/cmpc-2022/), University College, London, June 8-10, 2022 1. **Quantum spin liquids, and a theory of the cuprate pseudogap metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucl22a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucl22a.key.zip); [Video](https://www.youtube.com/watch?v=bChhUXZyGlY&list=PL_hKZTDR2WqYzlQTTZHw6PqbPSVUc7Kte&index=18)\] 2. **Yukawa-SYK models and strange metals in two spatial dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucl22b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucl22b.key.zip); [Video](https://www.youtube.com/watch?v=OOQtI4U_haI&list=PL_hKZTDR2WqYzlQTTZHw6PqbPSVUc7Kte&index=25)\] - [Statistical Mechanics of Strange Metals and Black Holes](http://140.247.122.253/cdf_poster.pdf), [Lectures at the College de France](https://www.college-de-france.fr/site/antoine-georges/course-2021-2022.htm), Paris, May 17, 24, 31, June 7, 2022 1. **Bekenstein-Hawking entropy of a black hole** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cdf22a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cdf22a.key.zip); [Video](https://www.youtube.com/watch?v=2e20IGN6rjE&list=PLcD25rnTeV9jBjxiuq1IKgQiBwjDrO8p9&index=1)\] 2. **SYK-black hole holographic duality (I)** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cdf22b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cdf22b.key.zip); [Video](https://www.youtube.com/watch?v=YK5ncfrgXVk&list=PLcD25rnTeV9jBjxiuq1IKgQiBwjDrO8p9&index=2)\] 3. **SYK-black hole holographic duality (II)** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cdf22c.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cdf22c.key.zip); [Video](https://www.youtube.com/watch?v=8DZGmF9hcCQ&list=PLcD25rnTeV9jBjxiuq1IKgQiBwjDrO8p9&index=3)\] 4. **Yukawa-SYK models and strange metals in two spatial dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cdf22d.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cdf22d.key.zip); [Video](https://www.youtube.com/watch?v=c55ahjMkhkk&list=PLcD25rnTeV9jBjxiuq1IKgQiBwjDrO8p9&index=4)\] - **Quantum spin liquids: from Rydberg atoms to the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/geneva22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/geneva22.key.zip)\] (University of Geneva, May 20, 2022) - **Quantum spin liquids: from Rydberg atoms to the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/munich22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/munich22.key.zip)\] (Gauge Workshop Munich 2022, Max Planck Institute of Quantum Optics, Munich, May 11, 2022) - **§§§ Quantum entanglement at all distances** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ias22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ias22.key.zip); [Video](https://www.youtube.com/watch?v=NF3ZsRJC840)\] (Institute for Advanced Studies, Princeton, May 6 2022) - **Resonant "side-jump" thermal Hall effect of phonons coupled to dynamical defects** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar22.key.zip)\] (CIFAR Quantum Materials Program Meeting, Toronto, May 4, 2022) - **Statistical mechanics of strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/purdue22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/purdue22.key.zip)\] (Purdue University, April 28, 2022) - **§§§ Quantum entanglement at all distances** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kansas22b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kansas22b.key.zip); [Video](https://www.youtube.com/watch?v=B95S1wnFwSc)\] ([Peterson Public Lecture](https://www.phys.ksu.edu/alumni/peterson/2022/sachdev/index.html), Kansas State University, Manhattan, Kansas, April 26, 2022) - **Statistical mechanics of strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kansas22a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kansas22a.key.zip); [Video](https://www.youtube.com/watch?v=7DO19PKV3o4)\] (Kansas State University, Manhattan, Kansas, April 25, 2022) - **Paramagnon fractionalization in the pseudogap, and implications for the cuprate phase diagram** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford22.key.zip); [Video](https://stanford.zoom.us/rec/play/jM1cpgDuamzz3BsQBNtn7Eer_urF-B-tW7PL5khmqtieiL8zxMcxWJecxqjp4sN4SBleazHIvN3q5lAR.xL1thq8cZ7VRNYv6?startTime=1650404254000&_x_zm_rtaid=trPIV2-5RbauW8pbIjxIBw.1650456878709.bae840c28a89663ea3426ccdd191d4c9&_x_zm_rhtaid=479)\] ([GLAM](https://glam.stanford.edu/events/glam-special-seminar/paramagnon-fractionalization-pseudogap-and-implications-cuprate-phase), Stanford University, April 19, 2022) - **Statistical mechanics of strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucd22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucd22.key.zip); [Video](https://youtu.be/-3_NBo3g1Dw)\] (University of California, Davis, April 18, 2022) - **Deconfined** ***Z2*** **gauge theory in Rydberg atom arrays** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uw22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uw22.key.zip)\] ([InQubator for Quantum Simulation](https://iqus.uw.edu), University of Washington, April 11, 2022) - **Quantum spin liquids: from Rydberg atoms to the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jqi22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jqi22.key.zip); [Video](https://www.youtube.com/watch?v=p7qXOmOPzpI)\] ([Joint Quantum Institute](https://jqi.umd.edu/events/2022/04/04/quantum-spin-liquids-rydberg-atoms-high-temperature-superconductors), University of Maryland, College Park, April 5, 2022) - **Universal, low temperature,** ***T*****-linear resistivity in two-dimensional quantum-critical metals from spatially random interactions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pcts22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pcts22.key.zip); [Video](https://www.youtube.com/watch?v=Q91oKXC30xc)\] ([Low-Dimensional Holography and Black Holes](https://pcts.princeton.edu/events/2022/low-dimensional-holography-and-black-holes), Princeton Center for Theoretical Sciences, March 30, 2022) - **Quantum entanglement at all distances** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/prl22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/prl22.key.zip); [Video](https://www.youtube.com/watch?v=lvEcANz1G_8)\] (PRL ka Amrut Vyakhyaan, [Physical Research Laboratories](https://www.prl.res.in/prl-eng/), Ahmedabad, March 30, 2022) - **Quantum entanglement at all distances** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/deshbandhu22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/deshbandhu22.key.zip); [Video](https://www.youtube.com/watch?v=33MvCi5jd_4)\] (International Lecture series on Recent Advances in Physics, [Deshbandhu College](http://www.deshbandhucollege.ac.in), University of Delhi, March 15, 2022) - **Statistical mechanics of metals without quasiparticles and charged black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lehigh22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lehigh22.key.zip)\] (Lehigh University, March 3, 2022) - **Statistical mechanics of metals without quasiparticles and charged black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bc22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bc22.key.zip)\] ([Arline and Michael Magde Colloquium](http://events.bc.edu/event/physics_colloquium_subir_sachdev_harvard_university#.Yh8N-i-B3yU), Boston College, March 2, 2022) - **Statistical mechanics of metals without quasiparticles and charged black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sissa22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sissa22.key.zip)\] ([Boltzmann Lecture 2022](https://www.sissa.it/news/boltzmann-lecture-2022-statistical-mechanics-metals-without-quasiparticles-and-charged-black), SISSA, Trieste, February 21, 2022) - [SFT 2022 - Lectures on Statistical Field Theories](https://www.ggi.infn.it/showevent.pl?id=417), The Galileo Galilei Institute for Theoretical Physics, Florence, February 7-11, 2022 1. **Fractionalization in the XY model in 2+1 dimensions** \[[Video](https://www.youtube.com/watch?v=WPlGzyAksvE&list=PLcD25rnTeV9hgvPbP2Ta3mzaBhmkJjkeK)\] 2. **Parton theory of the** ***Z2*** **spin liquid** \[[Video](https://www.youtube.com/watch?v=pd_t7wbPggQ&list=PLcD25rnTeV9hgvPbP2Ta3mzaBhmkJjkeK)\] 3. **Parton theory of the chiral spin liquid and fractional quantum Hall states** \[[Video](https://www.youtube.com/watch?v=NVhB0vIacBE&list=PL1CFLtxeIrQqSMuuemejxGm__XCxoHGOY)\] 4. **Quantum matter without quasiparticles: the SYK model** \[[Video](https://www.youtube.com/watch?v=NsVadQmPo7E&list=PLcD25rnTeV9hgvPbP2Ta3mzaBhmkJjkeK)\] 5. **Quantum matter without quasiparticles: quantum-critical metals in two spatial dimensions** \[[Video](https://www.youtube.com/watch?v=72jxQI22-LY&list=PL1CFLtxeIrQqSMuuemejxGm__XCxoHGOY)\] - **Maximal quantum chaos of the critical Fermi surface** \[[Video](https://www.youtube.com/watch?v=q8nf5ShYdyA)\] (Talk by **Maria Tikhanovskaya** at Harvard CMSA seminar, January 28, 2022) - **Paramagnon fractionalization theory of the cuprate pseudogap metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen22a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen22a.key.zip); [Video](https://youtu.be/N3SA4n2wWK8?t=585)\] ([New Directions in Strong Correlation Physics: From Strange Metals to Topological Superconductivity](https://acp-sc2022.physics.illinois.edu), Aspen Winter Conference, January 24, 2022) - **Paramagnon fractionalization theory of the cuprate pseudogap metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uqm22.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uqm22.key.zip); [Video](https://www.youtube.com/watch?v=JkZ-tRdOnSQ)\] ([Simons Collaboration on Ultra-Quantum Matter, Annual Meeting](https://www.simonsfoundation.org/event/simons-collaboration-on-ultra-quantum-matter-annual-meeting-2022/), New York, January 20, 2022) - **Metals with strongly correlated electrons: quantum criticality, disordered interactions, Planckian dissipation, and scale invariance** \[[Video](https://www.youtube.com/watch?v=AQTLOKHNu20)\] (Talk by **Aavishkar Patel** at Harvard CMSA seminar, January 18, 2022) - **Planckian metals from spatially random interactions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota21.key.zip); [Video](https://www.youtube.com/watch?v=e0CcAzfpIXU)\] ([Open Challenges in the Theory of Strongly Correlated Electron Systems](https://cse.umn.edu/ftpi/octsces-2021-program), William I. Fine Theoretical Physics Institute, University of Minnesota, December 16, 2021) - **Planckian metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/princeton21a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/princeton21a.key.zip)\] (Hamilton Colloquium Series, Princeton University, November 11, 2021) - **Planckian metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bose21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bose21.key.zip); [Video](https://www.youtube.com/watch?v=X2tb2t64QeA)\] (S. N. Bose Colloquium Series on Quantum Materials and Devices, [S. N. Bose National Centre for Basic Sciences](https://www.bose.res.in), Kolkata, November 10, 2021) - **Planckian metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/waterloo21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/waterloo21.key.zip); [Video](https://pirsa.org/21110014)\] (Quantum Matter Frontier Seminars, Ontario, Canada, November 8, 2021) - **§§§ Spooky action at a distance: in the lab and in black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stonebridge21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stonebridge21.key.zip)\] (Stonebridge at Montgomery, November 6, 2021) - **Planckian metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tokyo21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tokyo21.key.zip); [Video](https://www.youtube.com/watch?v=f_o8o4k7syw)\] ([1st International Symposium on Trans Scale Quantum Science](https://www.tsqs2021.org/index.html), [Trans-Scale Quantum Science Institute](https://tsqi.phys.s.u-tokyo.ac.jp/tsqi/en/), University of Tokyo, October 28, 2021) - **Probing topological spin liquids in Rydberg atom arrays** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/doe21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/doe21.key.zip)\] ([Theoretical Condensed Matter Physics Principal Investigators' Meeting](https://web.cvent.com/event/7ae97d87-ecea-43a2-a474-3469538d7cd3/summary), Office of Basic Energy Sciences, U.S. Department of Energy, October 28, 2021) - **Planckian metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uqm21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uqm21.key.zip)\] ([Workshop on Ultra-Quantum Matter](https://www.ias.edu/program-details-ultra-quantum-matter-2021), Institute for Advanced Study, Princeton, October 26, 2021) - **Planckian metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ggi21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ggi21.key.zip); [Video](https://www.youtube.com/watch?v=wmWpCtAp58E)\] ([GGI Tea Break](https://www.ggi.infn.it/images/TeaBreaks/Subir_v2.jpg), [The Galileo Galilei Institute for Theoretical Physics](https://www.ggi.infn.it), Florence, Italy, October 20, 2021) - **Maximal quantum chaos of the critical Fermi surface** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden21.key.zip)\] ([Probing Complex Quantum Dynamics through Out-of-time-ordered Correlators](https://www.pks.mpg.de/protoc21), MPIPKS, Dresden, October 12, 2021) - **Crossover from a fractionalized SYK spin liquid to a confining spin glass** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ascona21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ascona21.key.zip)\] ([Strings, Fields and Holograms](http://conf.itp.phys.ethz.ch/string21/), Ascona, Switzerland, October 11, 2021) - **Quantum phases of matter with Rydberg atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/princeton21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/princeton21.key.zip)\] ([Princeton Quantum Colloquium](https://quantum.princeton.edu/events/princeton-quantum-colloquium-quantum-phases-matter-rydberg-atoms-subir-sachdev-harvard), Princeton University, October 4, 2021) - **Fermi surfaces large and small: unifying theories of the Kondo lattice and Hubbard models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qmbd21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qmbd21.key.zip); [Video](https://www.youtube.com/watch?v=v7w3gZ21W3A)\] ([Quantum Many-Body Days](https://tarheels.live/rpmbt21/schedule/), UNC Chapel Hill, September 28, 2021) - **Fermi surfaces large and small: unifying theories of the Kondo lattice and Hubbard models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers21a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers21a.key.zip)\] (Rutgers University, September 21, 2021) - Discussion meeting on [Topological Aspects of Strong Correlations and Gauge Theories](https://www.icts.res.in/discussion-meeting/TSCG21), International Centre for Theoretical Sciences, Tata Institute of Fundamental Research, Bengaluru, Sep 6,7, 2021 1. **The Kondo effect, the Kondo lattice, and the heavy Fermi liquid** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts21b.pdf)\] 2. **Fermi surfaces large and small: unifying theories of the Anderson lattice and Hubbard models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts21c.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts21c.key.zip)\] - **§§§ Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/xavier21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/xavier21.key.zip)\] ([The Society of Physics](https://www.societyofphysics.com), [St. Xavier's College](https://xaviers.edu/main/), Mumbai, August 26, 2021) - **The SYK model: a window into random quantum spin liquids and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers21.key.zip); [Video](https://www.youtube.com/watch?v=_AXCxeEgDwM)\] (Mathematical Physics seminar, Rutgers University, August 18, 2021) - **§§§ The quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dps21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dps21.key.zip)\] ([The Delhi Public School Society](http://dpsfamily.org), August 16, 2021) - **The SYK model: a window into black holes and non-Fermi liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hanoi21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hanoi21.key.zip); [Video](https://www.youtube.com/watch?v=Y-TiT-WIuDE)\] ([5th International Conference on Holography, String Theory and Discrete Approach](https://workshop.phenikaa-uni.edu.vn/holography2021/), Hanoi, Vietnam, August 3, 2021) - **The quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/infosys21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/infosys21.key.zip); [Video](https://youtu.be/tJQ2nrWxJwE)\] ([Physics Training and Talent Search](https://www.ptts.org.in), Infosys Science Foundation, July 20, 2021) - **SYK criticality at metal-metal transitions in the Hubbard and Kondo lattice models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/temm21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/temm21.key.zip)\] ([Theoretical & Experimental Magnetism Meeting (TEMM 2021)](https://www.isis.stfc.ac.uk/Pages/TEMM-2021.aspx), Cosener's House in Abingdon, Oxfordshire, July 13, 2021) - **Quantum phases of matter with Rydberg atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp21.key.zip); [Video](https://online.kitp.ucsb.edu/online/topology21/sachdev/)\] ([Interacting Topological Matter: Atomic, Molecular, and Optical Systems](https://www.kitp.ucsb.edu/activities/topology21), Kavli Institute for Theoretical Physics, University of California, Santa Barbara, July 6, 2021) - **Fermi surfaces large and small: unifying theories of the Anderson lattice and Hubbard models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/london21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/london21.key.zip); [Video](https://www.youtube.com/watch?v=7VszflGVoEA)\] ([Condensed Matter in the City: Deep Challenges of Quantum Materials](https://research.kent.ac.uk/pqm/condensed-matter-physics-in-the-city-online-2021/), Skye School: Foundations of Quantum Matter, London, July 1, 2021) - **Quantum entanglement at all distances** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/racah21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/racah21.key.zip); [Video](https://www.youtube.com/watch?v=9qyxbFVuWaY)\] ([The Racah Memorial Lecture](https://phys.huji.ac.il/event/physics-colloquium-quantum-entanglement-all-distances), The Racah Institute of Physics, The Hebrew University of Jerusalem, June 21, 2021) - **Random** ***t*****-*****J*** **model theory of the cuprate phase diagram** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts21a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts21a.key.zip); [Video](https://www.youtube.com/watch?v=gbnsodctaKk)\] (ICTS String Seminar, ICTS Bengaluru, June 9 , 2021) - **The SYK model: a window into black holes and non-Fermi liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitm21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitm21.key.zip); [Video](https://www.youtube.com/watch?v=kYJBQSELTr0)\] (The Dual Mysteries of Gauge Theories and Gravity, Indian Institute of Technology, Madras, June 7, 2021) - **Planckian metals and the time reparameterization soft-mode** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/saclay21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/saclay21.key.zip); [Video](https://www.youtube.com/watch?v=ssttXnym_24)\] ([25th Rencontres Itzykson, Many Body Chaos, Scrambling and Thermalization in Interacting Quantum Systems](https://indico.in2p3.fr/event/20611/), Institut de Physique Theorique, Saclay, June 3, 2021) - **The SYK model: a window into non-Fermi liquids and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/wurzburg21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/wurzburg21.key.zip); [Video](https://www.youtube.com/watch?v=2F9OBaLTvJQ)\] (Wurzburg University, June 1, 2021) - **The SYK model: a window into non-Fermi liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lanl21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lanl21.key.zip); [Video](https://www.youtube.com/watch?v=52rCUWEhkTo)\] (Distinguished Lectures on Topological Materials, Institute for Materials Science, Los Alamos National Laboratory, May 28, 2021) - [H.L. Welsh Lectures in Physics](https://welsh.physics.utoronto.ca), University of Toronto, May 6,7, 2021 **§§§** [Public Talk](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/WelshA.pdf): **Quantum entanglement at all distances** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/toronto21a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/toronto21a.key.zip);[Video](https://www.youtube.com/watch?v=DjXLWx9Qh3Q)\] [Colloquium](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/WelshB.pdf): **Fermi surfaces, large and small** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/toronto21b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/toronto21b.key.zip); [Video](https://www.youtube.com/watch?v=QIh7s-YnzL0)\] - **§§§ Quantum entanglement at all distances** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts21.key.zip); [Video](https://www.youtube.com/watch?v=Dn6XydhyW2A)\] (ICTS Big Questions talk, [International Centre for Theoretical Sciences](https://www.icts.res.in), TIFR, Bengaluru, May 1, 2021) - **Large** ***N*** **theories of non-Fermi liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mitp21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mitp21.key.zip); [Video](https://youtu.be/aBf8gpMYt5Y )\] (Gravity and Emergent Gauge Fields in Condensed and Synthetic Matter, Mainz Institute for Theoretical Physics, Johannes Gutenberg University, Mainz, April 21, 2021) - **A simple model of many-particle entanglement: how it describes black holes and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps21.key.zip)\] ([Physical Review Invited Session: Forefront Research Across Disciplines](http://meetings.aps.org/Meeting/MAR21/Session/J62), APS March Meeting, March 16, 2021) - **§§§ A simple model of many-particle entanglement: how it describes black holes and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitr21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitr21.key.zip); [Video](https://youtu.be/tEdFbAYjDtU)\] ([Mysteries of the Universe](https://new.iitr.ac.in/ils-mou/#/), Indian Institute of Technology, Roorkee, March 13, 2021) - **§§§ A simple model of many-particle entanglement: how it describes black holes and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ipa21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ipa21.key.zip); [Video](https://www.youtube.com/watch?v=-8jn3SLxm98)\] (New Horizons in Physics-IPA50, Commemorating 50 years of Indian Physics Association, APS-IPA Joint Lecture, February 27, 2021) - [Distinguished Colloquium and Lectureship](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Kaist_poster.jpg) at KAIST, Daejeon, Korea, February 17-19, 2021 **§§§** Colloquium: **A simple model of many-particle entanglement: how it describes black holes and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kaist21_1.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kaist21_1.key.zip); [Video](https://www.youtube.com/watch?v=xyXbUc9BkdM)\] Lecture 1. **Quantum spin liquids in antiferromagnets and Rydberg atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kaist21_2.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kaist21_2.key.zip); [Video](https://www.youtube.com/watch?v=ShnTa9rCAIc)\] Lecture 2. **Fractionalization and emergent gauge fields in metals: application to CeCoIn5 and the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kaist21_3.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kaist21_3.key.zip); [Video](https://www.youtube.com/watch?v=ShnTa9rCAIc)\] Lecture 3. **The SYK model and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kaist21_4.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kaist21_4.key.zip); [Video](https://www.youtube.com/watch?v=aYPVEDvWQhY)\] Lecture 4. **Planckian metals and SYK criticality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kaist21_5.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kaist21_5.key.zip); [Video](https://www.youtube.com/watch?v=aYPVEDvWQhY)\] - **A simple model of many-particle entanglement: how it describes black holes and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/newmexico21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/newmexico21.key.zip); [Video](https://www.youtube.com/watch?v=BQIGHAVdJiU)\] (University of New Mexico, February 5, 2021) - **Quantum phase transition at non-zero doping in a random** ***t-J*** **model** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar21.key.zip)\] (CIFAR Quantum Materials mini-meeting, January 27, 2021) - **A simple model of entangled qubits, how it describes black holes and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bristol21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bristol21.key.zip); [Video](https://bristol-ac-uk.zoom.us/rec/play/Wj3SAFdpICuY3nMXIILmJD0cIEXiLO8FdpMvdKgMMAGOM08L0dvIGhTBfjaf5Mx5gWMhSL_CYE14R6bm.M45gMzprkNXyVYoU?startTime=1611150655000&_x_zm_rtaid=hZgVhiSsS6OBafxze4_O4g.1611239684753.0b70cbac6113a58656ef2742918ab14f&_x_zm_rhtaid=921)\] ([Challenges and Recent Advances in Mathematical Physics](https://web-eur.cvent.com/event/82bf7d1a-7fee-4406-a3cf-ef05090a9fec/summary), Heilbronn Institute for Mathematical Research, University of Bristol, January 20, 2021) - **A simple model of entangled qubits, describing black holes and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qm3_lisbon21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qm3_lisbon21.key.zip); [Video](https://www.youtube.com/watch?v=5wCBfe8zjK0)\] (QM3 Quantum Matter meets Maths, University of Lisbon, January 4, 2021) - **§§§** **Spooky action at a distance: in black holes and in the lab** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dei21.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dei21.key.zip)\] (Dayalbagh Educational Institute, Agra, January 1, 2021) - **Ancilla qubit wavefunctions for the pseudogap metal phase of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter20.key.zip); [Video](http://pirsa.org/20110017/)\] (Tensor Networks: From Simulations to Holography III, Perimeter Institute, November 16, 2020) - **A simple model of entangled qubits, describing black holes and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/trinity20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/trinity20.key.zip); [Video](https://www.youtube.com/watch?v=FnqxtUCqgxU)\] (The Trinity Mathematical Society, Cambridge UK, November 2, 2020) - **Excitation spectra of quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bc20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bc20.key.zip); [Video](https://www.youtube.com/watch?v=zODjNdq0m30)\] (Quantum Fluids in Isolation, Virtual Seminar Series, Boston College, October 15, 2020) - **Metal-to-metal quantum phase transitions not driven by symmetry breaking orders** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp20a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp20a.key.zip); [Video](https://online.kitp.ucsb.edu/online/correlated20/sachdev/)\] ([Correlated Systems with Multicomponent Local Hilbert Spaces](https://www.kitp.ucsb.edu/activities/correlated20), KITP, UC Santa Barbara, October 15, 2020) - **§§§** **Spacetime explained: what do black holes reveal?** \[[Video, in Russian](https://www.youtube.com/watch?v=OK1o-KQ8RwA)\] Panel discussion the Michael Good and Juan Malcadena, Central Asia Nobel Fest, Inclusive Development Foundation, Kazakhstan, October 4, 2020. - **The strange quantum physics of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/umd20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/umd20.key.zip); [Video](https://www.youtube.com/watch?v=hJ70RI7BJDs)\] (University of Maryland, September 29, 2020) - **Metal-to-metal quantum phase transitions not described by symmetry breaking orders II** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cmsa20b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cmsa20b.key.zip); [Video](https://www.youtube.com/watch?v=GkuxHKDE9ZI)\] ([Strongly Correlated Quantum Materials and High-Temperature Superconductors Series](https://cmsa.fas.harvard.edu/strongly-correlated-materials/) at the Center for Mathematical Sciences and Applications, Harvard, September 23, 2020) - **Metal-to-metal quantum phase transitions not described by symmetry breaking orders I** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cmsa20a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cmsa20a.key.zip); [Video](https://harvard.zoom.us/rec/share/IqkXCBRcJOq4OLjyBO6tg1YYEomB9quGZPThffQ2-MwJ1ruCHaq0CGjDNguHfO3z.Gupq3_OgUcrm9zWZ )\] ([Strongly Correlated Quantum Materials and High-Temperature Superconductors Series](https://cmsa.fas.harvard.edu/strongly-correlated-materials/) at the Center for Mathematical Sciences and Applications, Harvard, September 2, 2020) - **The strange quantum transition from the pseudogap metal to the Fermi liquid** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nu20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nu20.key.zip); [Video](https://www.youtube.com/watch?v=DnRwXzl66sE)\] ([Quantum Matter seminar](https://sites.google.com/view/quantum-matter-seminar/sachdev), Northeastern University, Boston, August 12, 2020) - **SYK criticality and correlated metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/UQM_perimeter.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/UQM_perimeter.key.zip); [Video](https://www.perimeterinstitute.ca/videos/syk-criticality-and-correlated-metals)\] ([Online School on Ultra Quantum Matter](https://www.perimeterinstitute.ca/conferences/online-school-ultra-quantum-matter), Perimeter Institute for Theoretical Physics, August 10, 2020) - **Intertwining fractionalization and broken symmetry: theories for the onset of magnetism in disordered and clean metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp20.key.zip); [Video](http://online.kitp.ucsb.edu/online/intertwined_oc20/sachdev/)\] ([Return of the Intertwined: New Developments in Correlated Materials - Online Reunion Conference](https://www.kitp.ucsb.edu/activities/intertwined_oc20), KITP Santa Barbara, July 29, 2020) - **The time reparameterization soft mode** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uqm20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uqm20.key.zip); [Video](https://www.youtube.com/watch?v=qhNDJkj_SXw)\] (Simons Collaboration on Ultra Quantum Matter, Virtual Meeting, June 2, 2020) - **Linear in temperature resistivity in the limit of zero temperature from the time reparameterization soft mode** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qastm20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qastm20.key.zip); [Video](https://youtu.be/mTag4clCzWg)\] (Quantum Aspects of Space-Time and Matter Seminar, Max Planck Institute for Gravitational Physics, Albert Einstein Institute, Potsdam, May 14, 2020) - **Thermal Hall effect in cuprates and spin liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar20.key.zip)\] (CIFAR - Quantum Materials Program Meeting, Zoom, May 11-13, 2020) - **The strange quantum physics of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/umass20b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/umass20b.key.zip)\] (University of Massachusetts, Amherst, March 11, 2020) - **§§§** **Ultra-spooky action at a distance: from quantum materials in the lab to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/umass20a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/umass20a.key.zip)\] (Helen and Morton Sternheim Lecture, University of Massachusetts, Amherst, March 10, 2020) - **Metal-insulator transition in a Hubbard model with random and all-to-all hopping and exchange** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch20a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch20a.key.zip)\] (American Physical Society meeeting, Denver, March 5, 2020) - **§§§** **Strange Metals and Black Holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch20.key.zip); [Video](https://www.youtube.com/watch?v=zpywS5ebq1E)\] (American Physical Society meeeting, Denver, March 3, 2020) - **Planckian metals and deconfined quantum criticality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/flatiron20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/flatiron20.key.zip)\] (CIFAR Quantum Materials at CCQ, Flatiron Institute, New York, February 11, 2020) - **Strange Metals and Black Holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/msu20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/msu20.key.zip)\] (Michigan State University, East Lansing, February 6, 2020) - **§§§** **Ultra-spooky action at a distance: from quantum materials in the lab to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Simons20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Simons20.key.zip); [Video](https://www.youtube.com/watch?v=ZV0VCezL-44)\] (Simons Foundation, New York, January 21, 2020) - **Deconfined quantum criticality in the cuprate high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/delhi20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/delhi20.key.zip)\] (Delhi University, January 13, 2020) - **Deconfined quantum criticality in the cuprate high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitb20b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitb20b.key.zip)\] (Indian Institute of Technology Bombay, January 11, 2020) - **§§§** **Quantum entanglement: spooky action at a distance in the lab and in black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitb20a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iitb20a.key.zip)\] (Indian Institute of Technology Bombay, January 10, 2020) - **Non-abelian dualities and square lattice antiferromagnets** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr20.key.zip)\] (Tata Institute of Fundamental Research, Mumbai, January 8, 2020) - **Planckian metals and deconfined quantum criticality in the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisc20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisc20.key.zip)\] (Indian Institute of Science, Bengaluru, January 7, 2020) - **Deconfined criticality in a doped random quantum Heisenberg magnet** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts20.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts20.key.zip); [Video](https://www.youtube.com/watch?v=QCbtotyLYhE)\] ([Novel Phases of Quantum Matter](https://www.icts.res.in/discussion-meeting/topmatter2019), International Centre for Theoretical Sciences, Bengaluru, January 1, 2020) - **Deconfined criticality in a doped random quantum Heisenberg magnet** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/psu19c.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/psu19c.key.zip)\] (Seminar, 2019 Physics Marker Lectures, Penn State University, State College, December 6, 2019) - **Strange Metals and Black Holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/psu19b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/psu19b.key.zip)\] (Colloquium, 2019 Physics Marker Lectures, Penn State University, State College, December 5, 2019) - **§§§** **Quantum entanglement: "Spooky action at distance" in modern materials in the lab, and in black holes in the universe** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/psu19a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/psu19a.key.zip)\] (Public Lecture, 2019 Physics Marker Lectures, Penn State University, State College, December 4, 2019) - **Deconfined criticality in a doped random quantum Heisenberg magnet** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cmsa19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cmsa19.key.zip); [Video](https://www.youtube.com/watch?v=FYIZQr2XGY8&feature=youtu.be)\] ([Quantum Matter/QFT Seminar](https://cmsa.fas.harvard.edu/11-20-2019-quantum-matter-seminar/) November 20, 2019, and [Quantum Matter Workshop](https://cmsa.fas.harvard.edu/quantum-matter-workshop/), CMSA, Harvard, December 3, 2019) - **Quantum transport across SYK islands: probing Bekenstein-Hawking entropy in quantum matter experiments** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/google19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/google19.key.zip); [Video](https://www.youtube.com/watch?v=a7_gT4zXBow)\] ([Quantum Gravity in the Lab](https://sites.google.com/view/quantumgravityinthelab/home), Google X, Mountain View, November 16, 2019) - **§§§** **Quantum entanglement: "Spooky action at distance" in the lab, and in black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/branford19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/branford19.key.zip); [Video](https://www.youtube.com/watch?v=tFrI84MUOtw)\] (Tilde Cafe, Branford CT, November 9, 2019) - **Thermal Hall effect in the pseudogap + Bilocal field theory for optimal doping** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar19.key.zip)\] (CIFAR worskhop, Jouvence, Canada, October 31, 2019) - **Thermal Hall effect in correlated materials** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp19.key.zip); [Video](http://online.kitp.ucsb.edu/online/tpqm-c19/sachdev/)\] ([3rd EPiQS-TMS alliance workshop on Topological Phenomena in Quantum Materials (TPQM2019)](http://online.kitp.ucsb.edu/online/tpqm-c19/schedule.html), KITP Santa Barbara, October 22, 2019) - **Planckian metals and optimal doping criticality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ringberg19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ringberg19.key.zip)\] (Ringberg Symposium on Unconventional Superconductivity and Spin Liquids, Ringberg Castle, Germany, October 17, 2019) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/barcelona19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/barcelona19.key.zip)\] (ICFO Barcelona, October 9, 2019) - **Planckian Metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/scgp19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/scgp19.key.zip): [Video](http://scgp.stonybrook.edu/video_portal/video.php?id=4286)\] ([Applications of Random Matrix Theory to Many Body Physics](http://scgp.stonybrook.edu/archives/28586), Simons Center for Geometry and Physics, Stony Brook, September 19, 2019) - **Planckian Metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uqm19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uqm19.key.zip)\] ([Simons Collaboration on Ultra Quantum Matter](https://projects.iq.harvard.edu/ultra-qm), Harvard University, September 12, 2019) - **Fermi surfaces and topological order in lattice fermion systems** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bec19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bec19.key.zip)\] ([BEC 2019, Frontiers in Quantum Gases](https://bec2019.org) Sant Feliu de Guixols, September 8, 2019) - Lectures at the Les Houches Summer School on [Dynamics and Disorder in Quantum Many Body Systems Far from Equilibrium](https://leshouchesquantumdynamics.wordpress.com), August 19-21, 2019 1. **Introduction: quantum matter with and without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/LesHouches19a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/LesHouches19a.key.zip); [Video](https://www.youtube.com/watch?v=zxLlCc-SULI)\] 2. **The complex Sachdev-Ye-Kitaev model: large** ***N*** **limit and fluctuations** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/LesHouches19b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/LesHouches19b.key.zip); [Video](https://www.youtube.com/watch?v=iWSqMTzjTEQ)\] 3. **Applications to strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/LesHouches19c.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/LesHouches19c.key.zip); [Video](https://www.youtube.com/watch?v=yKP1IlRGVZI)\] **Combined lecture notes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/LesHouches19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/LesHouches19.key.zip)\] - **Theory of a Planckian metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden19.key.zip)\] ([Quantum Criticality and Topology in Correlated Electron Systems](https://www.pks.mpg.de/qctces19/), Max Planck Institute for the Physics of Complex Systems, Dresden, August 12-16, 2019) - **Enhanced thermal Hall effect in the square lattice Neel state** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/epiqs19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/epiqs19.key.zip)\] ([5th EPiQS Investigator Symposium](https://www.epiqs-symposium2019.com), Lake Tahoe, August 5, 2019) - **Theory of a Planckian metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/montreal19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/montreal19.key.zip)\] ([Quantum Theories and Symmetries](http://www.crm.umontreal.ca/2019/QTS2019/index_e.php), XI International Symposium, Centre de recherches mathematiques, Universite de Montreal, July 2, 2019) - **Theory of a Planckian metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kyoto19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kyoto19.key.zip); [Video](https://youtu.be/5pck7485hB8?t=16412)\] ([Quantum Information and String Theory 2019](https://www2.yukawa.kyoto-u.ac.jp/~qist2019/4th5th.php), It from Qubit school/workshop, Yukawa Institute for Theoretical Physics, Kyoto University, June 20, 2019) - Lectures at the summer school on [Advances in strongly correlated electronic systems ASCES 2019](http://www.ftpi.umn.edu/workshops/2018-2019/ASCES/index.html), Fine Theoretical Physics Institute, University of Minnesota June 14,15, 2019 1. **Theory of a Planckian metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota19a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota19a.key.zip)\] 2. **Spin liquids in insulators and metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota19b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota19b.key.zip)\] - **From SYK models to charged black holes and Planckian metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/laval19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/laval19.key.zip)\] (Laval University, Quebec City, June 3, 2019) - **Spin liquids in insulators and metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/samarkand19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/samarkand19.key.zip)\] ([ICTP Summer School, Advances in Condensed Matter Physics: New trends and Materials in Quantum Technologies](http://acmp2019.las.uz), Samarkand, May 14, 2019) - **SYK models and charged black holes: transport, chaos, and density of states** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cuny19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cuny19.key.zip)\] ([Many Body Quantum Dynamics: Perspectives from Field Theory and Gravity](https://itsatcuny.org/calendar/2018/10/26/entanglement-chaos-and-complexity-in-field-theory-and-gravity-dxmc3), The Graduate Center, City University of New York, May 9, 2019) - **Theory of a Planckian metal with a remnant large Fermi surface** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford19.key.zip); [Video](https://www.youtube.com/watch?v=eDoj8YqzsfY)\] ([Shoucheng Zhang Memorial Workshop](https://glam.stanford.edu/Shoucheng_Zhang_Memorial_Workshop), Stanford University, May 4, 2019) - **Theory of a Planckian metal with a remnant large Fermi surface** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter19.key.zip); [Video](http://pirsa.org/19040091/)\] ([Quantum matter: emergence & entanglement 3](https://perimeterinstitute.ca/conferences/quantum-matter-emergence-entanglement-3), Perimeter Institute, Waterloo, April 22, 2019) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lehigh19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lehigh19.key.zip)\] (Lehigh University, April 18, 2019) - **Non-Abelian dualities and quantum criticality in square lattice antiferromagnets** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nickfest19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nickfest19.key.zip)\] ([Field theory in condensed matter: a symposium in honor of Nick Read](https://appliedphysics.yale.edu/event/field-theory-condensed-matter-symposium-honor-nick-read), Yale, April 12, 2019) - **Non-Abelian dualities and quantum criticality in square lattice antiferromagnets** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sudipfest19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sudipfest19.key.zip)\] ([SudipFest, A workshop in honor of Sudip Chakravarty's 70th birthday](https://conferences.pa.ucla.edu/sudipfest/), UCLA, April 5, 2019) - **§§§** **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/trieste19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/trieste19.key.zip); [Video](https://www.youtube.com/watch?v=2Z2h8t8QtFY)\] ([Dirac Medal Award Ceremony](http://indico.ictp.it/event/8740/), International Center for Theoretical Physics, Trieste, March 28, 2019) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/casewestern19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/casewestern19.key.zip)\] (Case Western University, March 21, 2019) - **Transport and chaos from SYK models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen19.key.zip)\] ([Conference on Many-Body Quantum Chaos](https://sites.google.com/view/mbqc2019/), Aspen Center for Physics, March 13, 2019) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kentstate19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kentstate19.key.zip)\] (Kent State University, February 28, 2019) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mcgill19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mcgill19.key.zip)\] (Bell Lecture, McGill University, February 22, 2019) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsd19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsd19.key.zip)\] (Physics Department Memorial Lectureship, University of California, San Diego, February 14, 2019) - **Gauge theory for the cuprates near optimal doping** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ias19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ias19.key.zip)\] (Institute for Advanced Study, Princeton, February 8, 2019) - **Universal low temperature theory of SYK models of strange metals and charged black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/higgs19.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/higgs19.key.zip); [Video](https://media.ed.ac.uk/media/1_i14wz5qu)\] ([New Directions in Theoretical Physics 3](https://indico.ph.ed.ac.uk/event/45/), Higgs Centre, University of Edinburgh, January 11, 2019) - Lectures at the 36th Jerusalem Winter School in Theoretical Physics, [Recent Progress in Quantum Field/String Theory](http://ias.huji.ac.il/quantum-fieldstring), December 30, 2018 - January 10, 2019 1. **Universal theory of complex SYK models and extremal charged black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem19a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem19a.key.zip); [Video 1](https://www.youtube.com/watch?v=ZBUnSb-wo74); [Video 2](https://www.youtube.com/watch?v=TsxkpNAh2z0); [Lecture Notes](http://qpt.physics.harvard.edu/p338.pdf)\] 2. **Application of SYK models to strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem19b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem19b.key.zip); [Video](https://www.youtube.com/watch?v=Q5dNZwmrhyk&t=0s)\] 3. **Emergent gauge fields and topological order in the 3D XY model** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem19c.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem19c.key.zip); [Video](https://www.youtube.com/watch?v=dmcUpsSPND4)\] 4. **Gauge theory for the cuprates near optimal doping** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem19d.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem19d.key.zip); [Video](https://www.youtube.com/watch?v=NfNBuXYahGA)\] - **Gauge theory for the cuprates across optimal doping** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr18a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr18a.key.zip)\] ([Topological Aspects of Quantum Matter](http://www.tifr.res.in/~nano/TAQM18/index.html), Tata Institute of Fundamental Research, Mumbai, December 20, 2018) - **Universal theory of complex SYK models and extremal charged black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp18.key.zip); [Video](http://online.kitp.ucsb.edu/online/chord18/sachdev/)\] (Chaos and Order: from Strongly Correlated Systems to Black Holes, KITP, University of California, Santa Barbara, December 7, 2018) - **Gauge theory for the cuprates near optimal doping** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/scgp18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/scgp18.key.zip); [Video](http://scgp.stonybrook.edu/video/video.php?id=3819)\] ([Developments in Quantum Field Theory and Condensed Matter Physics](http://scgp.stonybrook.edu/archives/25896), Simons Center for Geometry and Physics, Stony Brook University, November 7, 2018) - **Gauge theory of optimal doping criticality in the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/moore18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/moore18.key.zip)\] (EPIQS Investigator Symposium, Monterey CA, October 13, 2018) - **The chiral clock model, duality, and Kibble-Zurek dynamics of ultracold Rydberg atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/muri18b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/muri18b.key.zip)\] (Harvard University, October 5, 2018) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard18.key.zip); [Video](http://media.physics.harvard.edu/video/html5/?id=COLLOQ_SACHDEV_092418)\] (Harvard University, September 24, 2018) - **Gauge theory of optimal doping criticality in the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford18.key.zip)\] ([AharonFest](https://glam.stanford.edu/aharonfest), Stanford University, September 15, 2018) - **Gauge theories of ultra quantum metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sachdev_simons18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sachdev_simons18.key.zip)\] ([MPS conference on Ultra Quantum Matter II](https://www.simonsfoundation.org/event/mps-conference-on-ultra-quantum-matter-ii/), Simons Foundation, New York, August 23, 2018) - **Building strange metals from SYK models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/berkeley18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/berkeley18.key.zip)\] ([Workshop on Non-Fermi Liquids](http://research.physics.berkeley.edu/analytis/?page_id=880), University of California, Berkeley, August 17, 2018) - **Tutorial on the SYK model** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen_tutorial18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen_tutorial18.key.zip)\] (Aspen Center for Physics, August 14, 2018) - **SYK models of extremal black holes and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc18b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc18b.key.zip)\] ([Quantum Science, Gordon Research Conference](https://www.grc.org/quantum-science-conference/2018/), Stonehill College, Easton MA, August 2, 2018) - **SYK models of extremal black holes and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr18.key.zip)\] (Tata Institute of Fundamental Research, Mumbai, July 30, 2018) - **Fermi surface reconstruction by emergent gauge fields, without translational symmetry breaking** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisermohali18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisermohali18.key.zip)\] ([National Conference on Quantum Condensed Matter](http://www.tifr.res.in/~Qmat/index.php), Indian Institute of Science Education and Research, Mohali, July 26, 2018) - **Quantum entanglement: strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisermohali_public18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisermohali_public18.key.zip)\] (Public Lecture, [National Conference on Quantum Condensed Matter](http://www.tifr.res.in/~Qmat/index.php), Indian Institute of Science Education and Research, Mohali, July 26, 2018) - **Solvable models of quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icmp18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icmp18.key.zip)\] ([XIX International Congress on Mathematical Physics](https://icmp2018.org/), Montreal, July 23, 2018) - **Building strange metals from SYK models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/fudan18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/fudan18.key.zip); [Video](https://www.youtube.com/watch?v=scyZIS6-Bow)\] (Fudan University, Shanghai, July 10, 2018) - **Lectures on Topological order and Fermi surface reconstruction** \[[Videos](https://www.youtube.com/watch?v=bCOr0lPW4_c&list=PLcD25rnTeV9iElm_YxFT2rwuRMnSTtTNH)\] (Summer School on Exotic Quantum Matter, Fudan University, Shanghai, July 11, 2018) - **Building strange metals from SYK models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc18a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc18a.key.zip)\] ([Correlated Electron Systems, Gordon Research Conference](https://www.grc.org/correlated-electron-systems-conference/2018/) Mount Holyoke College, June 25, 2018) - **Quantum phases of SYK models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bled18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bled18.key.zip)\] ([Integrable and Chaotic Quantum Dynamics: from Holography to Lattice](http://chaos.fmf.uni-lj.si/workshop/), Bled, Slovenia, June 5, 2018) - **SYK gauge theories** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota18b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota18b.key.zip)\] ([Correlated electron systems - novel developments](http://www.ftpi.umn.edu/workshops/2017-2018/CESND/index.html), Fine Theoretical Physics Institute, University of Minnesota, May 16, 2018) - **Building strange metals from SYK models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jqi18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jqi18.key.zip)\] (Joint Quantum Institute, University of Maryland, May 7, 2018) - ***Z2*** **fractionalized phases of** ***t-J*** **models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota18a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota18a.key.zip)\] ([Holographic Quantum Matter](http://www.ftpi.umn.edu/workshops/2017-2018/HQM/index.html), Fine Theoretical Physics Institute, University of Minnesota, May 4, 2018) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/northwestern18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/northwestern18.key.zip)\] (Northwestern University, April 27, 2018) - **The disordered Hubbard model: from Si:P to the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nist18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nist18.key.zip)\] ([Workshop on 2D Quantum Metamaterials](https://www.zyvexlabs.com/2d-workshop/workshop-overview/), NIST, Gaithersburg, April 25, 2018) - **Topological order in quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/simons18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/simons18.key.zip); [Video](https://www.youtube.com/watch?v=34T0ybDR7G0&list=PLWAzLum_3a1-JjDQbcV4Hs1ZVOslCEVTb&index=6&t=0s)\] (Flatiron Institute, New York, March 14, 2018) - **Transport without quasiparticles in graphene and Weyl semi-metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps18b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps18b.key.zip)\] (APS March meeting, Los Angeles, March 9, 2018) - **Quantum Monte Carlo study of a Z2 gauge theory containing phases with and without a Luttinger volume Fermi surface** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps18a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps18a.key.zip)\] (APS March meeting, Los Angeles, March 8, 2018) - **Quantum phase transitions in condensed matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps_onsager.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps_onsager.key.zip)\] (Lars Onsager Prize Lecture, APS March meeting, Los Angeles, March 7, 2018) - **Ultra-quantum metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Ultra-Quantum_Metals_Sachdev.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Ultra-Quantum_Metals_Sachdev.key.zip)\] (Simons Foundation, February 5, 2018) - **Topological order in the pseudogap metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen18.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen18.key.zip)\] ([High Temperature Superconductivity - Unifying Themes in Diverse Materials](http://aspen2018.rice.edu), 2018 Aspen Winter Conference, Aspen Center for Physics, January 16, 2018) - **Quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nhmfl18c.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nhmfl18c.key.zip)\] ([Frontiers in Many Body Physics: Memorial for Lev Petrovich Gor'kov](https://nationalmaglab.org/news-events/events/for-scientists/memorial-for-lev-petrovich-gor-kov), National High Magnetic Field Laboratory, Tallahassee, January 13, 2018) - Lectures at the [Theory Winter School](https://nationalmaglab.org/news-events/events/for-scientists/winter-theory-school), National High Magnetic Field Laboratory, Tallahassee, January 8-12, 2018 1. **The Sachdev-Ye-Kitaev models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nhmfl18a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nhmfl18a.key.zip)\] 2. **Transport in non-Fermi liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nhmfl18b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nhmfl18b.key.zip)\] - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kvpy_public17b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kvpy_public17b.key.zip)\] (Kishore Viagyanik Protsahan Yojana, National Science Camp (Vijyoshi) - 2017, Indian Institute of Science Education and Research, Kolkata, December 10, 2017) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kvpy_public17a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kvpy_public17a.key.zip)\] (Kishore Viagyanik Protsahan Yojana, National Science Camp (Vijyoshi) - 2017, Indian Institute of Science, Bengaluru, December 9, 2017) - **From the SYK model to a theory of the strange metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts17a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts17a.key.zip)\] (International Centre for Theoretical Sciences, Bengaluru, Dec 8, 2017) - **Topological order in quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford17a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford17a.key.zip)\] (Stanford University, Nov 30, 2017) - **Topological order in quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jnu17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jnu17.key.zip)\] (Jawaharlal Nehru University, Delhi, Nov 20, 2017) - **Topological order in quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr17a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr17a.key.zip); [Video](https://www.youtube.com/playlist?list=PLGSBzo0zJ80bcfglIXlRbItJKQQV1aw_M)\] (Tata Institute of Fundamental Research, Mumbai, Nov 17, 2017) - **Confinement-deconfinement transitions in** ***Z*****2 gauge theories, and deconfined criticality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iiserpune17c.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iiserpune17c.key.zip)\] (Indian Institute of Science Education and Research, Pune, Nov 15, 2017) - **From the SYK model to a theory of the strange metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iiserpune17b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iiserpune17b.key.zip)\] (Indian Institute of Science Education and Research, Pune, Nov 15, 2017) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iiserpune_public17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iiserpune_public17.key.zip)\] ([Homi Bhabha Memorial Public Lecture](http://www.iiserpune.ac.in/events/Public+Lecture+on+Strange+Metals+and+Black+Holes), Indian Institute of Science Education and Research, Pune, Nov 14, 2017) - **Topological order in quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iiserpune17a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iiserpune17a.key.zip)\] (Indian Institute of Science Education and Research, Pune, Nov 13, 2017) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tamu17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tamu17.key.zip); [Video](http://mediamatrix.tamu.edu/download_published_file.php?published_file_id=579297)\] (Distinguished Lecture, Texas A&M University, Nov 9, 2017) - **Quantum matter without quasiparticles: strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/caltech17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/caltech17.key.zip); [Video](https://www.youtube.com/watch?v=1V0YlHsBFJA)\] (Biard Lecture, Caltech, Nov 2, 2017) - **Quantum matter without quasiparticles: strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dartmouth17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dartmouth17.key.zip); [Video](https://www.youtube.com/watch?v=ieq6qeRRB94&feature=youtu.be)\] (Dartmouth College, Oct 20, 2017) - **From the SYK model, to a theory of the strange metal, and of quantum gravity in two spacetime dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aro17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aro17.key.zip)\] (ARO MURI review, JQI, University of Maryland, Oct 13, 2017) - **Quantum matter without quasiparticles: strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford17.key.zip)\] (Stanford University, Oct 10, 2017) - **Quantum matter without quasiparticles: strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsc17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsc17.key.zip)\] (University of California, Santa Cruz, Oct 9, 2017) - **Topology, quantum entanglement, and criticality in the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nsf17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nsf17.key.zip)\] (Exploring quantum phenomena and quantum matter in ultrahigh magnetic fields, National Science Foundation, Alexandria VA, Sep 21, 2017) - **Quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp17b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp17b.key.zip); [Video](http://online.kitp.ucsb.edu/online/bblunch/sachdev2/)\] (Blackboard talk at Kavli Institute for Theoretical Physics, Santa Barbara, Sep 18, 2017) - **New Horizons in Quantum Matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/physicsnext17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/physicsnext17.key.zip)\] ([Physics Next: From Quantum Fields to Condensed Matter](https://journals.aps.org/physics-next/2017/from-quantum-fields-to-condensed-matter), Riverhead, NY Aug 24-26, 2017) - **Remarks on linear-*****T*** **resistivity in strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp17a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp17a.key.zip); [Video](http://online.kitp.ucsb.edu/online/intertwined_c17/sachdev/)\] ([Order, Fluctuations, and Strong Correlations: New Platforms and Developments](https://www.kitp.ucsb.edu/activities/intertwined-c17), KITP Santa Barbara, August 4, 2017) - **Intertwining topological order and broken symmetries in insulators and metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp17.key.zip)\] (Poster at [Order, Fluctuations, and Strong Correlations: New Platforms and Developments](https://www.kitp.ucsb.edu/activities/intertwined-c17), KITP Santa Barbara, August 2, 2017) - **Topological order and DMFT/QMC spectra for the pseudogap metal of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/moore17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/moore17.key.zip)\] (Poster at the 3rd EPiQS Investigator Symposium, Monterey, July 31, 2017) - **Quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/singapore17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/singapore17.key.zip)\] ([Electron-electron Interactions in Topological Materials](http://graphene.nus.edu.sg/InteractingTopologicalElectrons2017), Center for Advanced 2D Materials, National University of Singapore, June 28-30, 2017) - **Equilibrium and non-equilibrium dynamics of SYK models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/beijing17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/beijing17.key.zip)\] ([Strongly Interacting Conformal Field Theory in Condensed Matter Physics](http://cft.csp.escience.cn/dct/page/1), Institute for Advanced Study, Tsinghua University, Beijing, June 25, 2017) - **Z2 topological order near the Neel state of the square lattice antiferromagnet** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter17.key.zip); [Video](http://pirsa.org/17050081/)\] (Perimeter Institute, Waterloo, May 18, 2017) - **Z2 topological order near the Neel state on the square lattice** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/simons_conf17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/simons_conf17.key.zip)\] ([Simons Conference on Quantum Entanglement](https://www.simonsfoundation.org/mathematics-and-physical-science/simons-symposia/quantum-entanglement-2017/), Schloss Elmau, Germany May 5, 2017) - **Quantum entanglement, strange metals, and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/heidelberg17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/heidelberg17.key.zip)\] ([University of Heidelberg](http://www.physi.uni-heidelberg.de/Veranstaltungen/vortraege.php?kol=PK&sem=SS17), April 27, 2017) - **Z2 topological order near the Neel state on the square lattice** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/heidelberg17a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/heidelberg17a.key.zip)\] (University of Heidelberg, April 28, 2017) - **Quantum entanglement, strange metals, and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/wurzburg17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/wurzburg17.key.zip)\] (University of Würzburg, April 27, 2017) - **Quantum entanglement, strange metals, and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/washington17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/washington17.key.zip); [Video](https://uw.hosted.panopto.com/Panopto/Pages/Viewer.aspx?id=7fd4fcb3-83b0-4521-ac6d-b2870874fab1)\] (University of Washington, Seattle, April 10, 2017) - **Quantum entanglement, strange metals, and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/duke17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/duke17.key.zip); [Video](http://trinity.capture.duke.edu/Panopto/Pages/Viewer.aspx?id=ad337b73-3891-40c4-90ad-6d690f78976a)\] (Duke University, April 5, 2017) - **Quantum entanglement, strange metals, and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/montreal17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/montreal17.key.zip)\] (University of Montreal, March 24, 2017) - **Quantum entanglement, strange metals, and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/washu17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/washu17.key.zip)\] (Washington University, St. Louis, March 22, 2017) - **From the pseudogap to the strange metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch17.key.zip)\] (APS March meeting, New Orleans, March 13, 2017) - **From the pseudogap to the strange metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/leiden17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/leiden17.key.zip)\] ([Common Threads in the Electronic Phase Diagram of Unconventional Superconductors](https://www.lorentzcenter.nl/lc/web/2017/877/info.php3?wsid=877), Lorentz Institute, Leiden, March 2, 2017) - **Quantum entanglement, strange metals, and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/simons17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/simons17.key.zip); [Video](https://www.simonsfoundation.org/lecture/quantum-entanglement-strange-metals-and-black-holes/)\] (Public Lecture, Simons Foundation, New York, February 8, 2017) - **Quantum entanglement, strange metals, and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr_public17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr_public17.key.zip); [Video](https://www.youtube.com/watch?v=OQRuvhBz-_4)\] (13th Homi Bhabha Public Lecture, Tata Institute of Fundamental Research, Mumbai, January 17, 2017) - **Disordered metals without quasiparticles, and charged black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts17.key.zip); [Video](https://www.youtube.com/watch?v=07aw-K-wkYg)\] ([String Theory: Past and Present (SpentaFest)](https://www.icts.res.in/discussion-meeting/STPP2017), International Center for Theoretical Sciences, Bengaluru January 11, 2017) - Lectures at the Tata Institute of Fundamental Research, Mumbai, January 11-19, 2017 1. **What is topological order, and is it present in the high temperature superconductors?** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr17.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr17.key.zip) \] - Lectures at the 34th Jerusalem Winter School in Theoretical Physics, [New Horizons in Quantum Matter](http://www.as.huji.ac.il/horizons-in-quantum), December 27, 2016 - January 5, 2017 1. **Topological order in insulators and metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem16.key.zip); [Video 1](https://www.youtube.com/watch?v=o4nAzqstqlY); [Video 2](https://www.youtube.com/watch?v=8tHCcGlKtDU) \] 2. **Quantum criticality: quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem16a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem16a.key.zip) [Video](https://www.youtube.com/watch?v=nVw5yRB4AuI)\] 3. **Disordered quantum matter without quasiparticles: the SYK models** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem16b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem16b.key.zip); [Video](https://www.youtube.com/watch?v=nGf2ukEBXgE)\] - **Quantum matter without quasiparticles: SYK models, strange metals, and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/maryland16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/maryland16.key.zip)\] (University of Maryland, College Park, December 13, 2016) - **Topology and the phases of quantum matter in two dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nobel16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nobel16.key.zip); [Video](http://video.albanova.se/arc2016_39.html)\] (2016 Nobel prize in physics, impact on physics research and future directions, Stockholm University, December 8, 2016) - **SYK models, strange metals, and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/urbana16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/urbana16.key.zip)\] (University of Illinois, Urbana, December 5, 2016) - **Quantum matter without quasiparticles: SYK models, black holes, and the cuprate strange metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rice16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rice16.key.zip)\] ([Workshop on Frontiers of Quantum Materials](http://rcqm.rice.edu/events/56/), Rice University, Houston, November 4, 2016) - **SYK models and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard16.key.zip)\] (Black Hole Initiative Colloquium, Harvard University, October 25, 2016) - **Strange metals, black holes, and graphene** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ias16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ias16.key.zip); [Video](https://www.youtube.com/watch?v=c-0jQb1LuF8)\] ([Workshop on Chaos, the SYK Model and AdS2](https://www.sns.ias.edu/chaos-workshop-2016/schedule), Institute for Advanced Study, Princeton, October 17-19, 2016) - **The SYK models of non-Fermi liquids and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/atlanta16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/atlanta16.key.zip)\] ([QMATH13](http://qmath13.gatech.edu): Mathematical Results in Quantum Physics, Georgia Tech, Atlanta, October 9, 2016) - **A mean field theory of strange metals and gapless spin liquids, and its connection to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/paris16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/paris16.key.zip)\] (CIFAR Quantum Materials Program Meeting, College de France, Paris, October 7, 2016) - **Strange metals, black holes, and graphene** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/gothenburg16b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/gothenburg16b.key.zip)\] ([Physics Colloquium](http://www.chalmers.se/en/departments/physics/calendar/Pages/Strange-metals,-black-holes,-and-graphene.aspx), Chalmers University of Technology, Gothenburg, Sweden, October 4, 2016) - **The SYK model of non-Fermi liquids and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/gothenburg16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/gothenburg16.key.zip)\] ([Applications of Gauge-Gravity Duality 2016](http://www.chalmers.se/en/conference/AGGD2016/Pages/default.aspx), Chalmers University of Technology, Gothenburg, Sweden, October 4, 2016) - **Quantum matter without quasiparticles: graphene** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago16b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago16b.key.zip)\] (ARO-AFOSR MURI Program Review, University of Chicago, September 26-28, 2016) - **Theories of non-Fermi liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter16a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter16a.key.zip); [Video](http://pirsa.org/16080047/)\] ([Low Energy Challenges for High Energy Physicists II](https://www.perimeterinstitute.ca/conferences/low-energy-challenges-high-energy-physicists-ii), Perimeter Institute for Theoretical Physics, Waterloo, August 25, 2016) - **Theories of non-Fermi liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lanl16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lanl16.key.zip)\] ([Quantum Criticality and Topology in Itinerant Electron Systems](http://www.cvent.com/events/quantum-criticality-and-topology-in-itinerant-electron-systems/event-summary-9a3935d852884e86878e9537c52c1489.aspx), Center for Non-linear Studies, Albuquerque August 18, 2016) - **Hydrodynamic theory of thermoelectric transport in Weyl semi-metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aptos16a.pdf)\] (Poster by Richard Davison, EPiQS Investigator Symposium, Gordon and Betty Moore Foundation, August 1-5, 2016) - **Fluctuating antiferromagnetism and the pseudogap metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aptos16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aptos16.key.zip)\] (EpiQS Investigator Symposium, Gordon and Betty Moore Foundation, August 1-5, 2016) - **Quantum matter without quasiparticles: random fermion models, black holes, graphene, and non-Fermi liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/oxford16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/oxford16.key.zip); Audio\] -->[Audio](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/oxford16.mp3)\] ([Workshop on Non-equilibrium Physics and Holography](https://www-thphys.physics.ox.ac.uk/people/AndreiStarinets/oxford_holography_group/holography_seminar/workshop_oxford_july/main.html), St. John's College, Oxford, July 13, 2016) - **Quantum matter without quasiparticles: graphene, random fermion models, and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts16.key.zip); [Video](https://www.youtube.com/watch?v=K2UokcEjL1I&list=PL04QVxpjcnjissUEMOwP3vilVMRtCXAHC)\] ([Discussion Meeting on Current Frontiers in Condensed Matter Research](https://www.icts.res.in/program/cficmr16), International Centre for Theoretical Sciences, Bengaluru, June 27, 2016) - **Entangled phases of quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts16a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts16a.key.zip)\] (3 lectures at the [School on Current Frontiers in Condensed Matter Research](https://www.icts.res.in/program/cficmr16), International Centre for Theoretical Sciences, Bengaluru, June 23-26, 2016) 1. **Onset of antiferromagnetism in metals, and** ***d*****-wave superconductivity** \[[Video 1](https://www.youtube.com/watch?v=DT6vH_TAtyU&list=PL04QVxpjcnjissUEMOwP3vilVMRtCXAHC)\] 2. **Spin density wave order, topological order, and Fermi surface reconstruction** \[[Video 2](https://www.youtube.com/watch?v=JIzGGz3eCfg&list=PL04QVxpjcnjissUEMOwP3vilVMRtCXAHC)\] 3. **The SYK model of a strange metal** \[[Video 3](https://www.youtube.com/watch?v=ftnD2-x1y_U&list=PL04QVxpjcnjissUEMOwP3vilVMRtCXAHC)\] - **Quantum matter without quasiparticles: random fermion models, black holes, and graphene** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/haifa16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/haifa16.key.zip)\] ([Interacting Electrons and Quantum Magnetism](http://phsites.technion.ac.il/ieqm2016/), Technion, Haifa, June 20, 2016) - **Quantum matter without quasiparticles: random fermion models, black holes, and graphene** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kyoto16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kyoto16.key.zip)\] ([Quantum Matter, Spacetime, and Information](http://www2.yukawa.kyoto-u.ac.jp/~entangle2016/indexYKIS.htm), Yukawa International Seminar, Yukawa Institute for Theoretical Physics, Kyoto, June 15, 2016) - **Quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden16.key.zip)\] ([Colloquium](https://www.dresden-science-calendar.de/calendar/en/event/11316), Max Planck Institute for Complex Systems, Dresden, May 22, 2016) - **Quantum entanglement and the phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/unc16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/unc16.key.zip)\] (University of North Carolina, Chapel Hill, April 18, 2016) - **Quantum entanglement and the phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ahmedabad16a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ahmedabad16a.key.zip)\] (PRL Conference on Condensed Matter Physics, Physical Research Laboratory, Ahmedabad, April 13, 2016) - **The novel metallic states of the cuprates: "topological" Fermi liquids (FL\*) and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ahmedabad16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ahmedabad16.key.zip)\] (PRL Conference on Condensed Matter Physics, Physical Research Laboratory, Ahmedabad, April 11, 2016) - **The pseudogap metal and FL\* (a "topological" Fermi liquid)** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps16.key.zip)\] (American Physical Society meeting, Baltimore, March 14, 2016) - **Emergent gauge fields and high temperature superconductivity** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago16a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago16a.key.zip); [Video](https://www.youtube.com/watch?v=uFWnjU4G2E0)\] ([Nambu Memorial Symposium](http://nambu-symposium.uchicago.edu), University of Chicago, March 12, 2016) - **Antiferromagnetism, high temperature superconductivity, and quantum criticality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nyu16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nyu16.key.zip)\] (New York University, March 6, 2016) - **Compressible quantum matter: connecting field theories and holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/banff16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/banff16.key.zip); [Video](http://www.birs.ca/events/2016/5-day-workshops/16w5067/videos/watch/201602290858-Sachdev.html)\] ([Gauge/Gravity Duality and Condensed Matter Physics](http://www.birs.ca/events/2016/5-day-workshops/16w5067), Banff International Research Station, Banff, Canada, February 29, 2016) - **Quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago16.key.zip); [Video](http://kersten.uchicago.edu/event_video/colloquia/160218_colloquium_sachdev.mp4)\] (University of Chicago, February 18, 2016) - **Antiferromagnetism and high temperature superconductivity** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/doe16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/doe16.key.zip)\] (Basic Research Needs Workshop on Quantum Materials for Energy Relevant Technology, Department of Energy, Gaithersburg MD, February 8, 2016) - **Confinement transition out of a FL\* metal with Z2 topological and Ising-nematic order** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/laguna16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/laguna16.key.zip)\] ([Intertwined Order in Strongly Correlated Systems](http://qpt.physics.harvard.edu/epiqs.html), Laguna Beach, CA, January 29-31, 2016) - **Emergent "light" and the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/psu16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/psu16.key.zip)\] (Pennsylvania State University, State College, Jan 21, 2016) - **Emergent "light" and the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter16.key.zip); [Video](http://pirsa.org/16010075/)\] (Perimeter Institute, Waterloo, Jan 19, 2016) - **Quantum-critical fluid in graphene** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/berkeley16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/berkeley16.key.zip)\] (ARO MURI meeting, Berkeley, January 11, 2016) - **Quantum phases of graphene** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr16a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr16a.key.zip)\] ([Emergent Phenomena in Quantum Hall Systems](http://www.tifr.res.in/~nano/EPQHS2016/), Tata Institute for Fundamental Research, Mumbai, January 9, 2016) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr16.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr16.key.zip)\] (Tata Institute for Fundamental Research, Mumbai, January 5, 2016) - **Exotic metals in graphene and the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts15a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts15a.key.zip); [Video](https://www.youtube.com/watch?v=rQ_8kWAw1CQ&index=5&list=PL04QVxpjcnji_tgiNNiWp8RhQ0XXJoCPb)\] ([New questions in quantum field theory from condensed matter theory](https://www.icts.res.in/discussion-meeting/qft2015), International Center for Theoretical Sciences, Bengaluru, December 28, 2015) - **Emergent gauge fields and the high temperature superconductors** \[[Writeup](http://qpt.physics.harvard.edu/p290.pdf); [Slides](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/royalsociety15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/royalsociety15.key.zip); [Audio](http://downloads.royalsociety.org/events/2015/11/unifying-physics/sachdev.mp3)\] ([Unifying physics and technology in light of Maxwell's equations](https://royalsociety.org/science-events-and-lectures/2015/11/unifying-physics/), The Royal Society, London, November 16, 2015) - **Long-range quantum entanglement in metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kth15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kth15.key.zip); [Video](http://video.albanova.se/arc2015_23.html)\] ([Albanova and Nordita Colloquium](http://agenda.albanova.se/conferenceDisplay.py?confId=4929), Stockholm, November 12, 2015) - **Quantum Entanglement and Superconductivity** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/calgary15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sachdev_calgary_15.key.zip)\] (Cenovus Energy, Calgary, October 23, 2015) - **Dynamics and Transport in Strange Metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/montreal15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/montreal15.key.zip)\] (Centre de Recherches Mathematiques, University of Montreal, October 21, 2015) - **Dynamics and Transport in Strange Metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford15.key.zip)\] (Stanford University, October 16, 2015) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bu15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bu15.key.zip)\] (Boston University, September 29, 2015) - **Bekenstein-Hawking entropy and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard15.key.zip)\] (CMSA Colloquium, Harvard, September 16, 2015) - **Strange metals and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers15.key.zip)\] (Rutgers University, September 9, 2015) - **Quantum Entanglement and Superconductivity** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sydneypublic15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sydneypublic15.key.zip); [Video](https://www.youtube.com/watch?v=wmASydmYRdY)\] (Dirac Lecture, University of New South Wales, Sydney, Australia, September 1, 2015) - **Metals with long-range entanglement** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sydney15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sydney15.key.zip)\] (University of New South Wales, Sydney, Australia, August 31, 2015) - **Bekenstein-Hawking entropy and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter15c.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter15c.key.zip); [Video](http://pirsa.org/displayFlash.php?id=15080122)\] (Quantum Information in Quantum Gravity II, Perimeter Institute, Waterloo, August 20, 2015) - **The metallic states of the cuprates** \[[Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/natal15.key.zip)\] (School on Strongly Coupled Field Theories for Condensed Matter and Quantum Information Theory, International Institute of Physics, Natal, Brazil, August 13-14, 2015) 1. **Fermi liquids and Fractionalized Fermi liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/natal15a.pdf)\] 2. **A mean-field model of a non-Fermi liquid and charged black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/natal15b.pdf)\] 3. **Ising-nematic criticality in a two-dimensional metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/natal15c.pdf)\] 4. **Transport in strange metals: application to graphene** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/natal15d.pdf)\] - **The two unusual metals in the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/moore15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/moore15.key.zip)\] (Moore Foundation EPIQS Symposium, Sausalito, August 6, 2015) - **The "normal" states of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cornell15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cornell15.key.zip)\] (Summer School on Emergent Phenomena in Quantum Materials, Cornell University, August 4, 2015) - **The non-superconducting states of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter15b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter15b.key.zip); [Video](http://pirsa.org/15070060/)\] (Perimeter Institute, Waterloo, July 7, 2015) - **Exploring quantum matter in the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter15a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter15a.key.zip); [Video](http://pirsa.org/15060024/)\] (Convergence, Perimeter Institute, Waterloo, June 23, 2015) - **Exploring quantum matter in the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts15.key.zip)\] (International Center for Theoretical Sciences, Bangalore, June 20, 2015) - **Bekenstein-Hawking entropy from strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter15.key.zip); [Video](http://pirsa.org/15060022)\] (Perimeter Institute, Waterloo, June 16, 2015) - **The remarkable non-superconducting states of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsb15a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsb15a.key.zip)\] (University of California, Santa Barbara, May 5, 2015) - **Transport in strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsb15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsb15.key.zip); [Video](http://pirsa.org/15050139/)\] ([GaryFest](http://web.physics.ucsb.edu/~GaryFest/), University of California, Santa Barbara, May 1, 2015) - **Entangled states of quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nas15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nas15.key.zip)\] (National Academy of Sciences, Washington DC, April 27, 2015) - **A quantum dimer model for the pseudogap metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/paris15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/paris15.key.zip); [Video](http://www.college-de-france.fr/site/antoine-georges/symposium-2015-03-27-17h45.htm)\] (College de France, Paris, March 27, 2015) - **Higgs criticality in a two-dimensional metal** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps15.key.zip)\] (APS March meeting, San Antonio, March 2, 2015) - **The pseudogap phase of the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago15.key.zip)\] (University of Chicago, February 9, 2015) - **The pseudogap phase of the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/colorado15a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/colorado15a.key.zip)\] (University of Colorado, Boulder, January 23, 2015) - **Quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/colorado15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/colorado15.key.zip)\] (University of Colorado, Boulder, January 21, 2015) - **The pseudogap phase of the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisc15.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisc15.key.zip)\] (Quantum entanglement in macroscopic matter, International Center for Theoretical Sciences, Bangalore, January 15, 2015) - **Quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/maryland14a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/maryland14a.key.zip)\] (University of Maryland, December 9, 2014) - **The pseudogap phase of the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/maryland14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/maryland14.key.zip)\] (University of Maryland, December 9, 2014) - **Unveiling the order of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ccny14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ccny14.key.zip)\] (City College of New York, October 22, 2014) - **Adventures with the spin-fermion model, and beyond** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/urbana14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/urbana14.key.zip)\] (SCES@60, Workshop on strongly correlated electron systems at 60 years old, DP@90 David Pines 90th birthday celebration, Urbana, October 18, 2014) - **Microstructure of charge order in the cuprates, and implications for the pseudogap** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stuttgart14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stuttgart14.key.zip)\] (Joint CIFAR - Max Planck Society Quantum Materials Meeting, Max Planck Institute for Solid State Research, Stuttgart, October 14, 2014) - **Unveiling the order of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/innsbruck14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/innsbruck14.key.zip)\] (University of Innsbruck, October 10, 2014) - **Quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/trieste14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/trieste14.key.zip); [Video](https://www.youtube.com/watch?v=owDX_8CbZ8s&list=PLoxv42WBtfCCLdUbQbyifUaG1OP-FhzvC&index=46)\] (ICTP 50th Anniversary, Trieste, Italy, October 9, 2014) - **Quantum entanglement and superconductivity** \[[Video](http://youtu.be/g9hWML3NwN8); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeterpublic14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeterpublic14.key.zip); [Trailer](https://www.youtube.com/watch?v=_COwxyMOMcA); [Interview 1](https://www.youtube.com/watch?v=RqESHyr4vKg); [Interview 2](https://www.youtube.com/watch?v=pqB8a_V6O6Q)\] (Public Lecture at the Perimeter Institute for Theoretical Physics, Waterloo, Oct 1, 2014) - **Microstructure of charge order in the cuprates, and implications for the pseudogap** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp14.key.zip); [Video](http://online.kitp.ucsb.edu/online/ironic-c14/sachdev/)\] (Strong Correlations and Unconventional Superconductivity: Towards a Conceptual Framework, KITP Santa Barbara, September 23, 2014) - **Quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvardmath14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvardmath14.key.zip)\] (Topological Insulators and Mathematical Science, Harvard, September 17, 2014) - **Unveiling the order of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cornell14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cornell14.key.zip)\] (Cornell University, September 15, 2014) - **The "pseudogap" phase of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/itamp14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/itamp14.key.zip)\] (ITAMP, Harvard, September 6, 2014) - **Antiferromagnetism and Superconductivity** (Lectures at the Boulder School for Condensed Matter and Materials Physics, July 14-15, 2014) 1. **Antiferromagnetism and quantum criticality in insulators** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/boulder14_1.pdf); [Video Part 1](http://www.scivee.tv/node/62770); [Video Part 2](http://www.scivee.tv/node/62771)\] 2. **Onset of antiferromagnetism in metals, and** ***d*****-wave superconductivity** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/boulder14_2.pdf); [Video Part 1](http://www.scivee.tv/node/62772); [Video Part 2](http://www.scivee.tv/node/62773)\] 3. **Competing density wave order, and the pseudogap of the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/boulder14_3.pdf); [Video Part 1](http://www.scivee.tv/node/62782); [Video Part 2](http://www.scivee.tv/node/62779)\] 4. **Non-Fermi liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/boulder14_4.pdf); [Video Part 1](http://www.scivee.tv/node/62781); [Video Part 2](http://www.scivee.tv/node/62783)\] - ***d*****-form factor density waves, and transport near the Ising-nematic quantum critical point** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc14.key.zip)\] (Gordon Research Conference on Correlated Electron Systems, Mount Holyoke College, June 26, 2014) - **Unveiling the order of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/weizmann14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/weizmann14.key.zip)\] (Weizmann Institute of Science, Israel, June 5, 2014) - **Quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter14.key.zip); [Video](http://pirsa.org/displayFlash.php?id=14050109)\] (Low Energy Challenges for High Energy Physicists, Perimeter Institute, May 29, 2014) - **Quantum phase transitions of metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bu14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bu14.key.zip)\] (Field Theoretic Computer Simulations for Particle Physics and Condensed Matter, Boston University, May 9, 2014) - **Transport near the quantum critical point of the Bose-Hubbard model: Quantum Monte Carlo and Holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/muri14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/muri14.key.zip)\] (ARO MURI meeting, MIT, May 8, 2014) - **Transport near the quantum critical points of metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford14a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford14a.key.zip)\] (Conference on non-Fermi liquids, Stanford University, April 18, 2014) - **Unveiling the order of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford14.key.zip)\] (Stanford University, April 15, 2014) - **Unveiling the order of the high temperature superconductors** \[[Video](https://www.youtube.com/watch?v=g86zWijotck); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/virginia14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/virginia14.key.zip)\] (University of Virginia, Charlottesville, April 11, 2014) - **Unveiling the order of the high temperature superconductors** \[[Video](http://media.physics.harvard.edu/video/?id=COLLOQ_SACHDEV_033114); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard14.key.zip)\] (Harvard, Cambridge, March 31, 2014) - **Quantum entanglement and superconductivity** \[[Video](https://www.youtube.com/watch?v=rZUgcUw_jF4); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspenpublic14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspenpublic14.key.zip)\] (Public Lecture at the Wheeler Opera House, Aspen CO, hosted by the Aspen Center for Physics, March 18, 2014) - **Quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspenwinter14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspenwinter14.key.zip)\] (New perspectives on thermalization, Aspen Center for Physics, March 17, 2014) - **Quantum matter without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mit14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mit14.key.zip)\] (MIT, Cambridge, March 13, 2014) - **Competing order in the cuprates: d-wave bond order and the pseudogap regime** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/apsmarch14.key.zip)\] (APS March meeting, Denver, March 6, 2014) - **Quantum criticality of metals and high temperature superconductivity** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/karpacz14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/karpacz14.key.zip)\] (50th Karpacz Winter School of Theoretical Physics, Quantum Criticality in Condensed Matter: Phenomena, Materials and Ideas in Theory and Experiment, Karpacz, Poland, March 3, 2014) - **Quantum criticality and high temperature superconductivity** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/syracuse14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/syracuse14.key.zip)\] (Syracuse University, February 20 and 21, 2014) - **Quantum criticality and high temperature superconductivity** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/waterloo14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/waterloo14.key.zip)\] (University of Waterloo, Canada, February 13, 2014) - **Strange metals: entanglement, field theory, and holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/madrid14a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/madrid14a.key.zip)\] (Instituto de Fisica Teorica, Universidad Autonoma de Madrid, February 7, 2014) - **Quantum criticality and high temperature superconductivity** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/madrid14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/madrid14.key.zip)\] (Instituto de Fisica Teorica, Universidad Autonoma de Madrid, February 6, 2014) - **Transport without quasiparticles, or "Electricity without electrons"** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/templeton14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/templeton14.key.zip)\] (Physics of Emergence, University of Pittsburgh, February 1-2, 2014) - **Theory of Quantum Matter: from Quantum Fields to Strings** \[[Videos](http://new.livestream.com/accounts/149622/events/2713811); [Interview](http://www.youtube.com/watch?v=mhNcU5UfBDE&list=PLoxv42WBtfCCCyfPRf-BcIgCkX9FNFPSU)\] ([Salam Distinguished Lectures](http://www.ictp.trieste.it/about-ictp/media-centre/news/2014/1/salam-lectures-2014.aspx), The Abdus Salam International Center for Theoretical Physics, Trieste Italy, January 27-30, 2014) 1. **Superfluid-insulator transition of ultracold bosons in an optical lattice** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/salam14_1.pdf)\] 2. **Conformal field theories in 2+1 dimensions and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/salam14_2.pdf)\] 3. **Fermi liquids and non-Fermi liquids: the Ising-nematic quantum critical point** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/salam14_3.pdf)\] 4. **Entanglement, holography, and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/salam14_4.pdf)\] - **Quantum mechanics without particles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/niser14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/niser14.key.zip)\] (NISER, Bhubaneswar, India, January 17, 2014; Institute Lecture, Indian Institute of Technology, Kanpur, India, January 21, 2014) - **Quantum phase transitions in condensed matter** (The 8th Asian Winter School on "Strings, Particles, and Cosmology," Puri, India, January 11-18, 2014) 1. **Superfluid-insulator transition of ultracold bosons in an optical lattice** \[[Video](https://www.youtube.com/watch?v=QkADXsCwD3o); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts14_1.pdf)\] 2. **Conformal field theories in 2+1 dimensions and the AdS/CFT correspondence** \[[Video](https://www.youtube.com/watch?v=xevNWe8dSa8); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts14_2.pdf)\] 3. **Fermi liquids and non-Fermi liquids: the Ising-nematic quantum critical point** \[[Video](https://www.youtube.com/watch?v=SiUOQtRn9o0); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts14_3.pdf)\] 4. **The holographic view of non-Fermi liquids: charged black-branes** \[[Video](https://www.youtube.com/watch?v=aQ5B4HUqrGE); [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts14_4.pdf)\] - **Quantum mechanics without quasiparticles** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/edinburgh14.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/edinburgh14.key.zip)\] (New Directions in Theoretical Physics, Higgs Centre, University of Edinburgh, January 9, 2014) - **Quantum criticality in the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/psi13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/psi13.key.zip)\] (Paul Scherrer Institute, Villigen, Switzerland, December 19, 2013) - **Quantum mechanics without quasiparticles: applications to ultracold atoms and the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/zurich13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/zurich13.key.zip); [Video](http://www.multimedia.ethz.ch/speakers/zurich_physics_colloquium/?doi=10.3930/ETHZ/AV-581fde1e-cdaa-422e-81d3-b1c5e56c60c4&autostart=false)\] (ETH Zurich, December 18, 2013) - **Angular fluctuations of a multi-component order describe the pseudogap regime of the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar13.key.zip)\] (CIFAR meeting, Vancouver, October 17, 2013) - **Quantum criticality in the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota13.key.zip)\] (University of Minnesota, Minneapolis, October 2, 2013) - **Angular fluctuations of a multi-component order describe the pseudogap regime of the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/adilet13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/adilet13.key.zip)\] (Quantum Dynamics in Low Dimensional Systems, Harvard University, September 21, 2013) - **Conformal field theories in a periodic potential: field theory vs. holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/newton13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/newton13.key.zip); [Video](http://www.newton.ac.uk/programmes/HOL/seminars/2013091609451.html)\] (Workshop on Holography: From Gravity to Quantum Matter, Isaac Newton Institute for Mathematical Sciences, Cambridge, UK, September 16, 2013) - **Quantum criticality in the high temperature superconductors** (STEP-2013: International Summer School on Superconductivity - Theory, Experiments, and Phenomena, Institut d'Etudes Scientifiques de Cargese, August 12-16, 2013) 1. **The pseudogap: angular fluctuations of a multi-component order parameter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cargese13_1.pdf)\] 2. **Metals with antiferromagnetic exchange interactions:** ***d*****-wave superconductivity and bond order** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cargese13_2.pdf)\] - **Quantum matter and gauge-gravity duality** \[[Videos](http://www.theorie.physik.uni-muenchen.de/activities/schools/2013_asc_school/videos_ads_cmt/sachdev/index.html)\] (Arnold Sommerfeld School on Gauge-Gravity Duality and Condensed Matter Physics, Munich, August 5-9, 2013) 1. **Conformal field theories at zero temperature** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/munich13_1.pdf)\] 2. **Conformal field theories at non-zero temperature** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/munich13_2.pdf)\] 3. **Conformal field theories in a chemical potential** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/munich13_3.pdf)\] - **The quantum criticality of metals in two dimensions: antiferromagnetism, d-wave superconductivity and bond order** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/trieste13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/trieste13.key.zip)\] (Conference on Geometrical Aspects of Quantum States in Condensed Matter, ICTP Trieste, Italy, July 2, 2013) - **Bond order in two-dimensional metals with antiferromagnetic exchange interactions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc13.key.zip)\] (Gordon Research Conference on Superconductivity, Les Diablerets, Switzerland, May 14, 2013) - **Entangled states of quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter13.key.zip); [Video](http://pirsa.org/13050038)\] (Perimeter Institute, Waterloo, Canada, May 8, 2013) - **Quantum criticality in condensed matter: field theory vs. gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/northeastern13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/northeastern13.key.zip)\] (Northeastern University, Boston, May 1, 2013) - **Superconductivity and quantum entanglement** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Sachdev_Science_Cafe_13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Sachdev_Science_Cafe_13.key.zip)\] ([NOVA Science Cafe](http://www.sciencecafes.org), ASBMB meeting, Westin Hotel, Boston, April 23, 2013) - **Quantum criticality in condensed matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hamburg13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hamburg13.key.zip)\] (Inaugural symposium, Wolfgang Pauli Centre, Hamburg, April 17, 2013) - **Progress on the physics of the underdoped cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/natal13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/natal13.key.zip)\] (International Institute of Physics, Natal, Brazil, April 11, 2013) - **The quantum phases of matter and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/fortaleza13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/fortaleza13.key.zip)\] (Frontiers in Condensed Matter Science, Fortaleza, Brazil, April 10, 2013) - **Progress on the physics of the underdoped cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tesanovic13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tesanovic13.key.zip)\] (Zlatko Tesanovic Memorial Symposium, Johns Hopkins University, March 23, 2013) - **Multi-point correlators of conformal field theories: implications for quantum critical transport** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/march_strack_2013.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/march_strack_2013.key.zip)\] (APS March meeting, March 21, 2013) - **Holography of compressible quantum phases** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/march2013.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/march2013.key.zip)\] (APS March meeting, March 21, 2013) - **Progress on the physics of the underdoped cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dassarma13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dassarma13.key.zip)\] (An open world of physics: A celebration of Sankar Das Sarma's research career on his 60th birthday, University of Maryland, College Park, March 16, 2013) - **Metals near the onset of antiferromagnetism: instabilities to d-wave pairing and bond order** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/maryland13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/maryland13.zip)\] (University of Maryland, College Park, March 14, 2013) - **The quantum phases of matter and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/michigan13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/michigan13.zip)\] (University of Michigan, Ann Arbor, March 13, 2013) - **Metals near the onset of antiferromagnetism: instabilities to d-wave pairing and bond order** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/msu13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/msu13.zip)\] (Michigan State University, Lansing, March 12, 2013) - **The quantum phases of matter and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ufl13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ufl13.zip)\] (University of Florida, Gainesville, February 21, 2013) - **Quantum entanglement: from quantum matter to string theory** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/simons13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/simons13.zip)\] (Survey talk at the [Simons Symposium](http://qpt.physics.harvard.edu/simons), Caneel Bay, US Virgin Islands, February 4-8, 2013) - **Entanglement, holography, and the quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bonn13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bonn13.zip)\] (Bethe Colloquium, Bethe Center for Theoretical Physics, Bonn, January 13, 2013) - **Quantum phase transitions in condensed matter: from the Higgs boson to holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/edinburgh13.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/edinburgh13.zip)\] (The Higgs Symposium, Higgs Center for Theoretical Physics, Edinburgh, January 9-11, 2013) - Winter School on Unconventional Superconductivity at the National High Magnetic Field Laboratory, Tallahassee, Jan 8, 2013 1. **Fermi liquids, and their phase transitions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nhmfl13_1.pdf)\] 2. **A non-Fermi liquid: Quantum criticality of metals near the Pomeranchuk instability** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nhmfl13_2.pdf)\] 3. **Quantum critical metals near the onset of antiferromagnetism: superconductivity and other instabilities** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nhmfl13_3.pdf)\] - **Conformal field theories in 3 dimensions, and holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers12_3.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers12_3.zip)\] (108th Statistical Mechanics Conference, Rutgers University, December 16, 2012) - **Entanglement, holography, and the quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/fnal12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/fnal12.zip)\] (Fermilab, Illinois, November 7, 2012) - **Entanglement, holography, and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pcts12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pcts12.zip)\] (Entanglement in Discrete and Continuous Quantum Systems, PCTS, Princeton University, October 26, 2012) - **Quantum matter and gauge-gravity duality** (Radcliffe Institute for Advanced Studies, Cambridge, October-November 2012) 1. **Conformal field theories in condensed matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/radcliffe12_1.pdf)\] 2. **Transport properties of conformal field theories from holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/radcliffe12_2.pdf)\] - **The interplay between antiferromagnetism and superconductivity: new results and open questions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar12.zip)\] (CIFAR meeting, Montreal, October 20, 2012) - **Entanglement, holography, and the quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers12_2.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers12_2.zip)\] (Rutgers University, October 10, 2012) - **Sign-problem-free quantum Monte Carlo of the onset of antiferromagentism in metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers12_1.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers12_1.zip)\] (Rutgers University, October 10 2012) - **Entanglement, holography, and the quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/yale12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/yale12.zip)\] (Yale University, September 10, 2012) - **Entanglement, holography, and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qcnp12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qcnp12.zip)\] (Conference on Quantum Criticality and Novel Phases, Dresden, August 27, 2012) - **Sign-problem-free quantum Monte Carlo of the onset of antiferromagentism in metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/m2s12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/m2s12.zip)\] (Keynote talk at M2S 2012, International Conference on Materials and Mechanisms of Superconductivity, Washington D.C., Aug 2, 2012) - **Stringing together the quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/princeton12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/princeton12.zip)\] (3 lectures introducing the AdS/CFT correspondence at the The Princeton Summer School for Condensed Matter Physics, Princeton, July 25,26, 2012) - **Entanglement, holography, and the quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter12a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter12a.zip); [Video](http://pirsa.org/12070010)\] (Perimeter Institute, Waterloo, July 13, 2012) - **Entangling antiferromagnetism and superconductivity: Quantum Monte Carlo without the sign problem** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter12.zip); [Video](http://pirsa.org/12070009)\] (Perimeter Institute, Waterloo, July 11, 2012) - **Entanglement, holography, and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc12.zip)\] (Gordon Conference on Correlated Electron Systems, June 27, 2012) - **Entanglement, holography, and the quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/london12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/london12.zip)\] (Condensed Matter Physics in the City, University College, London, June 20, 2012) - **The onset of antiferromagentism in metals: field theory, and quantum Monte Carlo without the sign problem** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden12.zip)\] (Quantum Matter from the Nano- to the Macroscale, MPIPKS, Dresden, June 19, 2012) - **Entanglement, holography, and the quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/utrecht12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/utrecht12.zip)\] (Utrecht University, June 13, 2012) - **Entanglement, holography, and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cologne12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cologne12.zip)\] (University of Cologne, June 8, 2012) - **Entanglement, holography, and strange metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/paris12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/paris12.zip)\] (Rencontres Théoriciennes, Paris, June 7, 2012) - **Strange metals and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/loughborough12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/loughborough12.zip)\] (Loughborough University, May 17, 2012) - **Quantum entanglement and the phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/imperial12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/imperial12.zip)\] (Imperial College, London, May 16, 2012) - **Quantum entanglement and the phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ehrenfest12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ehrenfest12.zip); [Powerpoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ehrenfest12.ppt)\] (Ehrenfest Colloquium, Leiden University, May 9, 2012) - **Stringing together the quantum phases of matter** \[[All (PDF)](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lorentz12.pdf); [All (Keynote)](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lorentz12.zip); [All (Powerpoint)](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lorentz12.ppt)\] ([Lorentz lectures,](http://www.lorentz.leidenuniv.nl/lorentzchair/lorentzchair.html) Instituut Lorentz, Leiden, May 7, 14, 21, June 4, 2012) 1. **Introduction and gapped quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lorentz12_1.pdf)\] 2. **Conformal quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lorentz12_2.pdf)\] 3. **Compressible quantum matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lorentz12_3.pdf)\] 4. **The onset of antiferromagnetism in metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lorentz12_4.pdf)\] - **Compressible quantum matter and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicheley12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicheley12.zip)\] (Gravity, black holes, and condensed matter, Royal Society International Seminar, Chicheley Hall, England, April 23-24, 2012) - **Quantum matter and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/newton12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/newton12.zip); [Video 1](http://www.newton.ac.uk/programmes/BSM/seminars/2012041614001.html), [Video 2](http://www.newton.ac.uk/programmes/BSM/seminars/2012041711001.html), [Video 3](http://www.newton.ac.uk/programmes/BSM/seminars/2012041811001.html), [Video 4](http://www.newton.ac.uk/programmes/BSM/seminars/2012041816001.html)\] (4 lectures at the Workshop on "Condensed Matter, Black Holes and Holography", Isaac Newton Institute for Mathematical Sciences, Cambridge, England, April 16-20, 2012) - **Quantum matter and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cincinnati12_a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cincinnati12_a.zip)\] (cinciNNI (Cincinnati Near Neighbor Interactions) tri-state condensed matter theory forum, University of Cincinnati, March 31, 2012) - **Quantum entanglement and the phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cincinnati12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cincinnati12.zip)\] (University of Cincinnati, March 30, 2012) - **Quantum entanglement and the phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/toronto12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/toronto12.zip)\] (University of Toronto, March 22, 2012) - **Quantum entanglement and the phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bu12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bu12.zip)\] (Boston University, March 6, 2012) - **Correlated phases of bosons in tilted lattices** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/march12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/march12.zip)\] (APS March meeting, Boston, February 29, 2012) - **Strange metals: field theory vs. holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mcgill12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mcgill12.zip)\] (McGill University, Montreal, February 16, 2012) - **Quantum entanglement and the phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stonybrook12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stonybrook12.zip)\] (Stony Brook University, February 14, 2012) - **Quantum matter and gauge-gravity duality**, Twelfth Arnold Sommerfeld Lecture Series, Munich, Jan 31 - Feb 3, 2012 1. **Public lecture: Quantum entanglement and the phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sommerfeld1.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sommerfeld1.zip); [Video](http://www.theorie.physik.uni-muenchen.de/activities/lectures/twelfth_series/sachdev_1/subir_sachdev_1/index.html)\] 2. **Colloquium: What can gauge-gravity duality teach us about condensed matter physics ?** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sommerfeld2.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sommerfeld2.zip); [Video](http://www.theorie.physik.uni-muenchen.de/activities/lectures/twelfth_series/sachdev_2/subir_sachdev_2/index.html)\] 3. **The onset of antiferromagnetism in metals: from the cuprates to the heavy fermion compounds** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sommerfeld3.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sommerfeld3.zip); [Video](http://www.theorie.physik.uni-muenchen.de/activities/lectures/twelfth_series/sachdev_3/subir_sachdev_3/index.html)\] - **Quantum entanglement and the phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisc12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iisc12.zip)\] (Indian Institute of Science, Bangalore, January 23, 2012) - **Compressible quantum liquids: field theory vs. holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr12c.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr12c.zip)\] (TIFR, Mumbai, January 19, 2012) - **The onset of antiferromagnetism in metals: from the cuprates to the heavy fermion compounds** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr12b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr12b.zip)\] (TIFR, Mumbai, January 18, 2012) - **Quantum entanglement and the phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr12a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tifr12a.zip)\] (TIFR, Mumbai, January 17, 2012) - **Quantum matter and gauge-gravity duality**, Girdharilal Mehta Lecture, Harish-Chandra Research Institute, Allahabad, Jan 12-13, 2012 1. **The superfluid-insulator quantum phase transitions: field theory vs. holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hri12a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hri12a.zip)\] 2. **Compressible quantum liquids: field theory vs. holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hri12b.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hri12b.zip)\] 3\. **Quantum phase transitions and Fermi surface reconstruction** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hri12c.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hri12c.zip)\] 4\. **Colloquium: Quantum entanglement and the phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hri12d.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hri12d.zip)\] - **The superfluid-insulator quantum phase transition: field theory vs. holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iiser12.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iiser12.zip)\] (IISER Kolkata, January 10, 2012) - **Compressible quantum liquids: field theory versus holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter11a.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter11a.zip); [Video](http://pirsa.org/11120076)\] (Perimeter Institute, Waterloo, December 13, 2011) - **Compressible quantum liquids: field theory versus holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bu11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bu11.zip)\] (Boston University, December 7, 2011) - **Many body quantum entanglement: from organic insulators to ultracold atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/darpa11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/darpa11.zip)\] (Darpa MURI, Fort Lauderdale, December 6, 2011) - **Holography of compressible quantum states** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/brown11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/brown11.zip)\] (New England String Meeting, Brown University, November 18, 2011) - **Quantum phase transitions in condensed matter physics, with connections to string theory** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grads11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grads.zip)\] (Wednesday Night Seminar, Harvard University, November 16, 2011) - **Quantum phase transitions in condensed matter physics, with connections to string theory** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/amherst11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/amherst11.zip)\] (Amherst College, October 28, 2011) - **The quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/solvay11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/solvay11.zip)\] (Rapporteur presentation at the 25th Solvay Conference on Physics - The Theory of the Quantum World, Brussels, October 19-22, 2011) - **What can string theory teach us about condensed matter physics?** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/berkeley11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/berkeley11.zip)\] (University of California, Berkeley, October 3, 2011) - **Holography of compressible quantum phases** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp11.zip); [Video](http://online.itp.ucsb.edu/online/adscmt11/sachdev/)\] (Program on Holographic Duality and Condensed Matter Physics, KITP, Santa Barbara, September 29, 2011) - **The uses of gauge-gravity duality in condensed matter physics** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pcts11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pcts11.zip)\] (Strongly Interacting Electrons in Low Dimensions: New Orders, Symmetries, and Excitations, Princeton Center for Theoretical Sciences, September 14, 2011) - **Quantum phase transitions and Fermi surface reconstruction** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sces11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sces11.zip)\] (Plenary talk at Strongly Correlated Electron Systems (SCES), Cambridge, England, August 29-September 3 , 2011) - **Synergies between quantum field theories and numerical calculations with microscopic Hamiltonians** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ictp11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ictp11.zip)\] (Workshop on Synergies between Field Theory and Exact Computational Methods in Strongly Correlated Quantum Matter, Trieste, July 29, 2011) - **Quantum matter and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/int11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/int11.zip); [Lecture notes](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sachdev_int11.pdf)\] (Lectures at the INT Summer School on Applications of String Theory, University of Washington, July 18-20, 2011) - **What can gauge-gravity duality teach us about condensed matter physics?** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter11.zip); [Video](http://pirsa.org/11070047/)\] (Perimeter Institute, Waterloo, July 14, 2011) - **Condensed matter applications of gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Strings11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Strings11.zip); [Video](http://media.medfarm.uu.se/flvplayer/strings2011/video22)\] (Strings 2011, Uppsala, June 30, 2011) - **The phase diagrams of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stockholm11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stockhom11.zip)\] (University of Stockholm, June 29, 2011) - **Gauge-gravity duality and its applications** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/leiden11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/leiden11.zip)\] (Black Hole Answers for Condensed Matter Questions, Workshop at the Lorentz Center, Leiden, June 14, 2011) - **Gauge-gravity duality and its applications** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iguassu11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/iguassu11.zip)\] (Encontro de Fisica 2011, Iguassu, Brazil, June 7, 2011) - **The phase diagrams of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rio11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rio11.zip)\] (Universidad Federal do Rio de Janeiro, Brazil, June 3, 2011) - **Fermi surface reconstruction in two-dimensional metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ringberg11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ringberg11.zip)\] (Ringberg Symposium on High Temperature Superconductivity, May 15, 2011) - [**Mark Kac Memorial Lectures**](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/KacFlyerLetter.pdf), Los Alamos National Laboratories, May 3-5, 2011 1. **Quantum criticality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kac1.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kac1.zip)\] 2. **The phase diagrams of the higher temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kac2.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kac2.zip)\] 3. **Gauge-gravity duality and its applications** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kac3.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kac3.zip)\] - **The spin density wave quantum phase transition in two-dimensional metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota11.zip)\] (Unconventional Superconductivity workshop, University of Minnesota, Minneapolis, April 24, 2011) - **The spin density wave quantum phase transition in two-dimensional metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/march11_sc.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/march11_sc.zip)\] (Invited talk, APS Meeting, Dallas, March 24, 2011) - **Fermi surfaces and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/march11_ads.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/march11_ads.zip)\] (APS Meeting, Dallas, March 22, 2011) - **Quantum criticality and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/flato.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/flato.zip)\] (Flato Lectures, Ben Gurion University, Israel, March 10, 2011) - **Many body quantum entanglement: from organic insulators to ultracold atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bgu11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bgu11.zip)\] (Symposium on Contemporary Problems in Condensed Matter Theory, Ben Gurion University, Israel, March 9, 2011) - **Quantum condensed matter physics: organic insulators and ultracold atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hqoc11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hqoc11.zip)\] (Inaugural Symposium, Harvard Quantum Optics Center, March 1, 2011) - **Fermi surfaces and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kentucky11_ads.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kentucky11_ads.zip)\] (University of Kentucky, February 28, 2011) - **The phase diagrams of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kentucky11_sc.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kentucky11_sc.zip)\] (University of Kentucky, February 28, 2011) - **Fermi surfaces and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ias11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ias11.zip)\] (Institute for Advanced Study, Princeton, Feb 18, 2011) - **Bosons in tilted Mott insulators** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/yale11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/yale11.zip)\] (Yale University, Feb 9, 2011) - **Fermi surfaces and gauge-gravity duality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspenwinter11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspenwinter11.zip)\] (Aspen Winter Conference on Strongly Correlated Systems and Gauge/Gravity Duality, Feb 1-5, 2011) - **Spin liquids on the triangular lattice** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icfcm11.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icfcm11.zip)\] (International Conference on Frustration in Condensed Matter, Sendai, Japan, January 11-14, 2011) - [**Subramanyan Chandrasekhar Lectures**](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chandra_poster.pdf), International Center for Theoretical Sciences, Bangalore, Dec 6-8, 2010 1. **The quantum phases of matter**, Public lecture \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chandra_public.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chandra_public.key.zip)\] 2. **"Relativistic" quantum criticality and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chandra1.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chandra1.zip)\] 3. **Fermi surfaces and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chandra2.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chandra2.zip)\] - **The phase diagrams of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uconn_10.pdf); [Keynote](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/uconn_10.zip)\] (University of Wisconsin, October 1, 2010; Purdue University, November 11, 2010; University of Connecticut, November 19, 2010; Jawaharlal Nehru University, December 15, 2010) - **Holographic metals and the Kondo lattice** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ggi10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ggi10.ppt)\] (Galileo Galilei Institute, Florence, November 4, 2010) - **The underdoped cuprates as fractionalized Fermi liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar10_ffl.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar10_ffl.ppt)\] (Canadian Institute for Advanced Research, Whistler, British Columbia, October 14-17, 2010) - **The onset of spin density wave order in metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar10.ppt)\] (Canadian Institute for Advanced Research, Whistler, British Columbia, October 14-17, 2010) - **The AdS/CFT description of the quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pennstate10_2.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pennstate10_2.ppt)\] (Penn State University, September 17, 2010) - **The phase diagrams of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pennstate10_1.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pennstate10_1.ppt)\] (Penn State University, September 16, 2010) - **The onset of spin density wave order in metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden10_2.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden10_2.ppt)\] (Conference on Emergent Quantum States in Complex Correlated Matter, Max Planck Institute for the Physics of Complex Systems, Dresden, August 23-27, 2010) - **The phase diagrams of the high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden10_1.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden10_1.ppt)\] (Colloquium at Max Planck Institute for the Physics of Complex Systems, Dresden, August 23, 2010) - **The quantum phase transitions of metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/windsor10.pdf)\], The 5th Windsor Summer School, *Quantum Phenomena in Low-Dimensional Materials and Nanostructures,* Windsor, UK, August 9-21, 2010 - **The landscape of the Hubbard model** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hfm10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hfm10.ppt)\] (Tutorial talks at the Conference on Highly Frustrated Magnetism, Johns Hopkins University, August 1, 2010) - **Quantum criticality, the AdS/CFT correspondence, and the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/statphys10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/statphys10.ppt)\] (Plenary talk at the XXIV IUPAP International Conference on Statistical Physics (STATPHYS24), Cairns, Australia, July 19, 2010) - **Exotic phases of the Kondo lattice, and holography** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford10.ppt)\] (Stanford University, July 15, 2010) - **Stringing together the quantum phases of matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tasi_public.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tasi_public.ppt)\] (TASI Public Lecture, University of Colorado, Boulder, June 9, 2010) - **The landscape of the Hubbard model**, TASI lectures, University of Colorado, Boulder, June 8-14, 2010 [Videos of Lectures](http://physicslearning2.colorado.edu/tasi/tasi_2010/tasi_2010.htm) 1. [Notes 1 ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tasi_sachdev1.pdf) 2. [Notes 2 ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tasi_sachdev2.pdf) 3. [Notes 3 ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tasi_sachdev3.pdf) - **Quantum "disordering" magnetic order in insulators, metals, and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter10.ppt); [Video](http://pirsa.org/10050089)\] (Conference on Emergence and Entanglement, Perimeter Institute, Waterloo, May 29, 2010) - **The phase diagram of the cuprates and the quantum phase transitions of metals in two dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bohr_seminar10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bohr_seminar10.ppt)\] (Niels Bohr Institute, Copenhagen, May 6, 2010) - **The phase diagram of the cuprates and the quantum phase transitions of metals in two dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/paris10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/paris10.ppt)\] (LPTHE, University of Paris, May 4, 2010) - **Quantum criticality, the cuprate superconductors, and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps10.ppt)\] (American Physical Society, Ridge NY, April 29, 2010) - **Quantum criticality, the AdS/CFT correspondence, and the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bnl10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bnl10.ppt)\] (Brookhaven National Laboratory, April 28, 2010) - **Quantum criticality, the cuprate superconductors, and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bohr10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bohr10.ppt)\] (University of Vermont, April 7, 2010; Colloquium Pierre et Marie Curie, University of Paris, May 3, 2010; Niels Bohr Lecture, Copenhagen May 5, 2010) - **The quantum phase transitions of metals in two dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/girvinfest.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/girvinfest.ppt)\] (From Quantum Hall Effect to Quantum Computation, Celebration of Distinguished Career of Prof. Steve Girvin on his 60th Birthday, National High Magnetic Field Laboratory, Tallahassee, April 1-2, 2010) - **The quantum phase transitions of metals in two dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pctp10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pctp10.ppt)\] (AdS/CFT: New Developments and Applications, Princeton Center for Theoretical Sciences, March 12, 2010) - **The phase diagram of the cuprates and the quantum phase transitions of metals in two dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/boulder_seminar10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/boulder_seminar10.ppt)\] (University of Colorado, Boulder, February 25, 2010) - **Quantum criticality, the cuprate superconductors, and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/boulder10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/boulder10.ppt)\] (University of Massachusetts, Boston, February 17, 2010; Carnegie Mellon University, February 22, 2010; University of Colorado, Boulder, February 24, 2010) - **Quantum criticality, the cuprate superconductors, and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ubc10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ubc10.ppt)\] (University of Victoria, Canada, February 10, 2010; University of British Columbia, Vancouver, February 11, 2010; Simon Fraser University, Vancouver, February 12, 2010) - **Quantum criticality and the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stuttgart10.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stuttgart10.ppt)\] (Max Planck Institute, Stuttgart, January 19, 2010; University of Geneva, January 21, 2010; Paul Scherrer Institute, Villigen, Switzerland, January 22, 2010) - **Quantum phase transitions of metals in two dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icam_jhu.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icam_jhu.ppt)\] (Exotic Insulating States of Matter, Johns Hopkins University, January 14-16, 2010) - **String theory and condensed matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts09.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icts09.ppt)\] (Science without boundaries, International Center for Theoretical Sciences, Bangalore, India, December 27-31, 2009) - **Strong coupling problems in condensed matter, and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chennai.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chennai.ppt)\] (K. S. Krishnan Discussion Meeting on Frontiers in Quantum Science 2009, The Institute of Mathematical Sciences, Chennai, India, December 21-22, 2009) - [**ICTS condensed matter programme 2009,**](http://www.icts.res.in/program/icmp09) Mahabaleshwar, India, December 17-19, 2009 1. [Phenomenology of the cuprate superconductors (and other compounds)](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mahabaleshwar1.pdf) 2. [QPT of antiferromagnetic insulators (and bosons at rational filling)](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mahabaleshwar2.pdf) 3. [QPT of *d*-wave superconductors: Fermi points of massless Dirac fermions](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mahabaleshwar3.pdf) 4. [QPT of Fermi surfaces](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mahabaleshwar4.pdf) - **Quantum phase transitions: from antiferromagnets and superconductors to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/caltech09_2.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/caltech09_2.ppt)\] (Caltech colloquium, December 3, 2009) - **Quantum criticality of Fermi surfaces in two dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/caltech09_1.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/caltech09_1.ppt)\] (Caltech, December 2, 2009) - **Quantum criticality and the phase diagram of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mit09.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mit09.ppt)\] (MIT Chez Pierre seminar, November 30, 2009) - **Unexpected connections in physics: from superconductors to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/desitter_public.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/desitter_public.ppt)\] (Public lecture, De Sitter Lecture Series in Theoretical Physics 2009, Groningen, November 18, 2009) - [**De Sitter Lecture Series in Theoretical Physics 2009,**](http://www.rug.nl/fwn/nieuws/fwnAgenda/event/091106fwnnieuws2?lang=en) University of Groningen, November 16-20, 2009 1. [Introduction to quantum phase transitions: quantum spin systems and relativistic field theories ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/desitter1.pdf) 2. [Quantum phase transitions in *d*-wave superconductors and metals ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/desitter2.pdf) 3. [The AdS/CFT correspondence: quantum criticality at strong coupling ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/desitter3.pdf) 4. [The cuprate high temperature superconductors: competing orders and quantum criticality](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/desitter4.pdf) - **Strong coupling problems in condensed matter, and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter09.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/perimeter09.ppt); [Video](http://pirsa.org/09110118)\] (Perimeter Institute for Theoretical Physics, Waterloo, Canada, November 11, 2009) - **Strong coupling problems in condensed matter, and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago_computations.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago_computations.ppt)\] (Computations in Science seminar, James Franck Institute, University of Chicago, November 4, 2009) - **Quantum phase transitions: from antiferromagnets and superconductors to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jfi_colloquium.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jfi_colloquium.ppt)\] (James Franck Institute 1st Tuesday Colloquium, University of Chicago, November 3, 2009) - **Quantum criticality and the phase diagram of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/urbana09.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/urbana09.ppt)\] (University of Illinois, Urbana-Champaign, November 2, 2009) - **From the Hubbard model to high temperature superconductivity** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/muri09.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/muri09.ppt)\] (Quantum Simulation MURI review, Harvard, October 30, 2009) - **Quantum phase transitions: from antiferromagnets and superconductors to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/solvay_colloquium.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/solvay_colloquium.ppt)\] (Solvay Colloquium, Brussels, October 27, 2009) - **Strong coupling problems in condensed matter, and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/brussels_seminar.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/brussels_seminar.ppt)\] (International Solvay Institutes seminar, Brussels, October 26, 2009) - **Quantum criticality and the phase diagram of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cifar.ppt)\] (Quantum Materials meeting, Canadian Institute for Advanced Research, Lac Carling, Quebec, October 23, 2009) - **Quantum criticality and the phase diagram of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sherbrooke.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sherbrooke.ppt)\] (University of Sherbrooke, October 21, 2009) - **Quantum criticality and the phase diagram of the cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/paris09.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/paris09.ppt)\] (Conference on Current Perspectives in Strongly-Correlated Quantum Matter, College de France, Paris, October 9, 2009) - **Lectures at the** [**Fifth Aegean Summer School: From Gravity to Thermal Gauge Theories: the AdS/CFT Correspondences**](http://www.physics.ntua.gr/cosmo09/Milos2009/gen_info.html)**,** Sep 21-26, 2009 A. ["Relativistic" field theories of quantum phase transitions](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aegean1.pdf) B. [Finite density quantum matter](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aegean2.pdf) - **Quantum criticality: from antiferromagnets and superconductors to black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cornell_colloquium.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cornell_colloquium.ppt)\] (Cornell University, Sep 14, 2009) - **Theory of the competition between spin density waves and d-wave superconductivity in the underdoped cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cornell_seminar.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cornell_seminar.ppt)\] (9th International Conference on Materials and Mechanisms of Superconductivity, Tokyo, Sep 7-12, 2009; Cornell University, Sep 15, 2009) - **Where is the quantum critical point in the cuprate superconductors ?** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qcnp09.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qcnp09.ppt)\] (Quantum Criticality and Novel Phases, Dresden, Aug 3-5, 2009) - **Where is the quantum critical point in the cuprate superconductors ?** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rpmbt.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rpmbt.ppt)\] (Recent Progress in Many Body Theories, Ohio State University, Columbus, July 27, 2009) - **Tutorial on quantum criticality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rpmbt_tutorial.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rpmbt_tutorial.ppt)\] (Recent Progress in Many Body Theories, Ohio State University, Columbus, July 26, 2009) - **Quantum criticality in the cuprate superconductors, and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qts6_sachdev.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qts6_sachdev.ppt)\] (Quantum Theories and Symmetries 6, Lexington, Kentucky, July 20, 2009) - **Where it the quantum critical point in the cuprate superconductors ?** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp_highertc.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp_highertc.ppt);[WebCam](http://online.kitp.ucsb.edu/online/highertc09/sachdev)\] (KITP Program: The Physics of Higher Temperature Superconductivity, July 16, 2009) - **Quantum critical transport and AdS/CFT** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp_adscmt.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp_adscmt.ppt);[WebCam](http://online.kitp.ucsb.edu/online/adscmt_m09/sachdev/)\] (KITP Miniprogram: Quantum Criticality and the AdS/CFT Correspondence, July 6, 2009) - Istanbul Statistical Physics Days (IFG-16), June 25-27, 2009 1. **Quantum criticality and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/istanbul1.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/istanbul1.ppt)\] 2. **Quantum criticality and the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/istanbul2.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/istanbul2.ppt)\] - **Where is the quantum critical point in the cuprate superconductors ?** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/haifa09.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/haifa09.ppt)\] (Strongly Correlated Quantum Phases, Technion, Haifa, June 14-18, 2009) - **Lectures at the Les Houches School on** [**Modern theories of correlated electron systems**](http://www.theorie.physik.uni-goettingen.de/~lh2009/)**,** May 11-14, 2009 1. [Coupled dimer antiferromagnets and bond operators](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/../leshouches/lecture1.pdf) 2. [Schwinger boson mean field theory, and gauge theories of spin liquids and valence bond solids](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/../leshouches/lecture2.pdf) 3. [Spinons, visons, and the Kitaev model](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/../leshouches/lecture3.pdf) 4. [Old and new experiments on the cuprate superconductors, and a theory of the underdoped cuprates.](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/../leshouches/lecture4.pdf) - **A theory of the underdoped cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bahbar09.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bahbar09.ppt)\] (2nd Boston area quantum matter meeting, Boston University, May 9, 2009) - **Competing orders in the underdoped cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/supergold.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/supergold.ppt)\] (Plenary talk at Gotham-Metro Condensed Matter Meeting, New York, April 25, 2009; Superconductivity: from collective modes to quantum phase transitions, conference in honor of Allen Goldman, Minneapolis, May 2, 2009) - **AdS/CFT and condensed matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/upenn.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/upenn.ppt)\] (University of Pennsylvania, April 15, 2009) - **Theory of the pair-breaking superconductor-metal transition in nanowires** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/smt-aps.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/smt-aps.ppt)\] (APS March meeting, March 20, 2009) - **Paired electron pockets in the hole-doped cuprates** \[[WebCam](http://online.kitp.ucsb.edu/online/lowdim_c09/sachdev/), [PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp09.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp09.ppt)\] (Conference on New Directions in Low-Dimensional Electron Systems, KITP Santa Barbara, February 23-27, 2009) - **AdS/CFT and condensed matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/madrid.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/madrid.ppt)\] (AdS Collective, IFT, University of Madrid, Feb 16-18, 2009) - **A theory of the underdoped cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nhmfl.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nhmfl.ppt)\] (National High Magnetic Field Laboratory, Tallahassee, Jan 23, 2009) - **Quantum field theories for antiferromagnets, and for black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/berkeley_statmech.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/berkeley_statmech.ppt)\] (Berkeley Mini Statistical Mechanics Meeting, Jan 10, 2009) - **Quantum criticality and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/argonne.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/argonne.ppt)\] (University of Maryland, Dec 10, 2008; University of California, Santa Cruz, Jan 8, 2009; Indiana University, Jan 21, 2009; Argonne National Laboratory, April 10, 2009) - **Global phase diagrams of two-dimensional quantum antiferromagnets** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/umass08.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/umass08.ppt)\] (University of Massachusetts, Amherst, Dec 2, 2008) - **Exotic phases and quantum phase transitions in model systems** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/solvay.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/solvay.ppt); [Writeup for proceedings](http://arxiv.org/abs/0901.4103)\] (Rapporteur talk at the [24th Solvay Conference on Physics](http://qpt.physics.harvard.edu/solvay.jpg), "Quantum Theory of Condensed Matter", Brussels, Oct 11-13, 2008) - **Doubled Chern-Simons theory of quantum spin liquids and their quantum phase transitions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mcgill_ads.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mcgill_ads.ppt)\] (Workshop on AdS/CFT, Condensed Matter and QCD, McGill University, Montreal, Oct 3-5, 2008; String Lunch Seminar, Harvard University, Oct 31, 2008) - **Detecting the collective excitations of quantum spin liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/torontoqc.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/torontoqc.ppt)\] (Conference on Highly Frustrated Magnetism, Braunschweig, Germany, September 7-12, 2008; Conference on Quantum Criticality: Statics and Dynamics, Toronto, September 27, 2008) - **Quantum criticality and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/emergent_gravity.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/emergent_gravity.ppt)\] (Conference on Emergent Gravity, MIT, August 25-29, 2008) - **Quantum criticality and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lt25-sachdev.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lt25-sachdev.ppt)\] (Plenary talk at the 25th International Conference on Low Temperature Physics, Amsterdam, August 13, 2008; Brown University, October 6, 2008) - **Quantum criticality and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen_colloquium.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen_colloquium.ppt)\] (Colloquium at Aspen Center for Physics, July 3, 2008) - **Loss of Neel order in insulators and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kyoto.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kyoto.ppt); [Video](http://www.issp.u-tokyo.ac.jp/public/tassp/video/23_S_Sachdev.mp4)\] (Workshop on Topological Aspects of Solid State Physics, Yukawa Institute, Kyoto, June 23, 2008) - **Hydrodynamic transport near quantum phase transitions and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/issp.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/issp.ppt); [Video](http://www.issp.u-tokyo.ac.jp/public/TASSP/video/S_Sachdev.mp4)\] (Workshop on Topological Aspects of Solid State Physics, ISSP, Tokyo, June 21, 2008) - **Onset of nematic order in** ***d*****-wave superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden08.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden08.ppt)\] (Conference on Unconventional Phases and Phase Transitions in Strongly Correlated Electronic Systems, Dreden, June 4, 2008) - **Nodal quasiparticles and competing orders in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/minnesota.ppt); [Video](http://pirsa.org/08040031/)\] (Perimeter Institute, Waterloo, April 24, 2008; Quantum Magnetism conference, Fine Theoretical Physics Institute, University of Minnesota, May 2, 2008) - **Quantum criticality and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/seattle.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/seattle.ppt); [Video](http://pirsa.org/08040006/)\] (Perimeter Institute, Waterloo, April 23, 2008; University of Washington, Seattle, May 19, 2008) - **Destruction of Neel order in the cuprates by electron and hole doping** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Q.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Q.ppt)\] (McMaster University, Hamilton, April 3, 2008; Microsoft Station Q, May 6, 2008) - **Quantum criticality and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mcmaster.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mcmaster.ppt)\] (McMaster University, Hamilton, April 2, 2008) - **Quantum critical transport in graphene** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/march_meeting_graphene.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/march_meeting_graphene.ppt)\] (APS Meeting, New Orleans, March 10, 2008) - **Hydrodynamic transport near quantum critical points and the AdS/CFT correspondence** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen_adscft.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen_adscft.ppt)\] (Winter conference on New Horizons in Condensed Matter Physics, Aspen, February 8, 2008) - (I) **The Fermi gas near unitarity**, (II) **The Superfluid-Insulator quantum phase transition**, (III) **Phases of quantum antiferromagnets** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem2008.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem2008.ppt)\] (Lectures at the Winter School in Theoretical Physics, Condensed Matter Physics and Quantum Information with Cold Atoms, Institute for Advanced Studies, Hebrew University, December 26, 2007 - January 4, 2008) - **Quantum criticality and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hebrew.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/hebrew.ppt)\] (Herbrew University, Jerusalem, January 1, 2008) - (I) **Quantum magnetism and criticality**, (II) **Theory of the Nernst effect near the superfliud-insulator transition** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/goa.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/goa.ppt)\] (Lectures at Conference on Correlated Electrons & Frustrated Magnetism, International Centre for Theoretical Sciences, Goa, India, November 25 - December 5, 2007) - **Metals, superconductors, insulators, .....** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/wednightgrad.pdf)\] (Wednesday Night Seminar, Harvard University, November 14, 2007) - **Quantum criticality and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ias.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ias.ppt)\] (Institute for Advanced Study, Princeton, November 12, 2007) - **Quantum criticality and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dartmouth.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dartmouth.ppt)\] (Dartmouth College, October 26, 2007) - **Quantum antiferromagnetism and superconductivity** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/muri.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/muri.ppt)\] (DARPA MURI conference, Newport, October 10 2007) - **Insulators and superconductors with topological order** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dublin.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dublin.ppt)\] (Conference on Topological Quantum Computing, Hamilton Institute, Dublin, September 11, 2007) - **Quantum criticality and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lorentz2007.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lorentz2007.ppt)\] (Lorentz Center, Leiden, August 27, 2007) - **Quantum criticality and black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/fnal.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/fnal.ppt)\] (Fermilab, August 22, 2007) - **Theory of the Nernst effect near the superfluid-insulator transition** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen_2007.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen_2007.ppt)\] (ICAM Workshop: Superfluid Universe, Aspen, August 18, 2007) - **Deconfined criticality in the underdoped cuprates** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitpc_2007.pdf)\] (Kavli Institute of Theoretical Physics, Beijing, July 2, 2007) - **Electrical and thermal transport near quantum phase transitions in condensed matter, and in dyonic black holes** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Sachdev_moscow.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/Sachdev_moscow.ppt)\] (A.I. Larkin Memorial conference, Chernogolovka, Russia, June 27, 2007; Institute of Physics, Beijing, July 4, 2007) - **Strongly interacting cold atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp07.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp07.ppt); [WebCam](http://online.kitp.ucsb.edu/online/coldatoms_c07/sachdev/)\] (Review talk at the KITP conference on ultracold atoms, April 23, 2007) - **Quantum phase transitions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard07.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard07.ppt)\] (Director's colloquium, Los Alamos National Laboratory, January 23, 2007; Technion, Israel, March 15, 2007; University of Michigan, March 28, 2007; Old Dominion University, April 3, 2007; Washington University, St. Louis, April 18, 2007; Harvard University, April 30, 2007) - **Quantum critical transport, duality, and M-theory** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mtheory.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mtheory.ppt)\] (Harvard University, February 1, 2007; Rutgers University, April 10, 2007) - **Deconfined quantum criticality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/haifa3.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/haifa3.ppt)\] (Greater Boston Area Statistical Mechanics Meeting, Brandeis University, October 21, 2006; Technion, Israel, March 18, 2007) - **Quantum theory of vortices and quasiparticles in** ***d-*****wave superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/haifa1.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/haifa1.ppt)\] (8th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors, Dresden, Germany, July 9-14, 2006; International Conference on Physics near the Mott transition, Indian Institute of Science, Bangalore, July 24-28, 2006; Princeton University, October 9, 2006; Technion, Israel, March 13, 2007; Weizmann Institute, Israel, March 14, 2007) - **From few-body to many-body physics: renormalization group theory of quantum gases near unitarity** \[[WebCam](http://online.itp.ucsb.edu/online/coldatoms07/sachdev2/)\] (Kavli Institute of Theoretical Physics, Santa Barbara, February 16, 2007) - **Fermi surface change across quantum phase transitions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/luttinger.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/luttinger.ppt); [WebCam](http://online.itp.ucsb.edu/online/coldatoms07/sachdev1/) \] (Kavli Institute of Theoretical Physics, Santa Barbara, February 15, 2007) - **The quantum phase transition between a superfluid and an insulator: applications to trapped ultracold atoms and the cuprate superconductors.** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsc.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsc.ppt)\] (University of California, Santa Cruz, October 19, 2006) - **Quantum criticality: where are we, and where are we going ?** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qcp.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qcp.ppt)\] (International Workshop on Strongly Correlated Transition Metal Compounds II, Cologne, Germany, September 11-14, 2006) - **Quantum theory of vortices in** ***d*****-wave superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/itzykson.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/itzykson.ppt)\] (Itzykson meeting on Strongly Correlated Electrons, Saclay, France, June 21-23, 2006) - **Detecting boson-vortex duality in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford06.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford06.ppt)\] (Brandeis University, February 28, 2006; Ohio State University, March 28, 2006; University of Chicago, April 27, 2006; Michigan State University, May 11, 2006; UCLA, May 18, 2006; Stanford University, June 6, 2006) - **Deconfined quantum criticality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/osu_seminar.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/osu_seminar.ppt)\] (Ohio State University, March 27, 2006) - **Electrical transport near a pair-breaking superconductor-metal quantum phase transition** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps2006_1.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps2006_1.ppt)\] (Invited talk at the APS March meeting, Baltimore, March 13, 2006) - **Dual vortex theory of doped antiferromagnets** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps2006_2.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps2006_2.ppt)\] (Contributed talk at the APS March meeting, Baltimore, March 13, 2006) - **Equilibrium dynamics of entangled states near quantum critical points** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qcmbs.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qcmbs.ppt)\] (Quantum Computing and Many-Body Systems, Key West, Florida, January 21-February 3 2006) - **Quantum phase transitions of correlated electrons and atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mit2006.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mit2006.ppt)\] (MIT Theoretical Physics Retreat, Plymouth, New Hampshire, January 25-27, 2006) - **Detecting quantum duality in experiments: how superfluids become solids in two dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bc2005.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bc2005.ppt)\] (Boston College, December 6, 2005) - **Dual vortex theory of doped antiferromagnets** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ciar2005.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ciar2005.ppt)\] (Canadian Institute for Advanced Research meeting on Quantum Materials, Perimeter Institute, Waterloo, November 17-19, 2005) - **Universal conductance of nanowires at the superconductor-metal quantum transition** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/duke2.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/duke2.ppt)\] (Duke University, October 20, 2005) - **Breakdown of the Landau-Ginzburg-Wilson paradigm at quantum phase transitions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard2005.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard2005.ppt)\] (Harvard University, September 22, 2005) - **Detecting quantum duality in experiments: how superfluids become solids in two dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jhu2005.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jhu2005.ppt)\] (Johns Hopkins University, September 15, 2005; Duke University, October 19, 2005) - **Quantum phase transitions of correlated electrons and atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/czech2005.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/czech2005.ppt)\] (XVIIth Indian-Summer School on Effective Field Theories, Rez/Prague, September 9-13, 2005) - **Quantum phase transitions of correlated electrons and atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cargese2005.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cargese2005.ppt)\] (ICAM Advanced Workshop on "Strongly Correlated Electrons: Diverse Examples and Unifying Themes", August 8-20, 2005, Institut Scientifique de Cargese, Corsica (France)) - **Quantum phase transitions of correlated electrons and atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tobago.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tobago.ppt)\] (Mottness and Quantum Criticality Workshop, Tobago, West Indies, June 8-19, 2005) - **The quantum mechanics of two-dimensional superfluids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/caltech.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/caltech.ppt)\] (Caltech, May 6, 2005) - **The quantum mechanics of two-dimensional superfluids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/utah.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/utah.ppt)\] (University of Utah, April 21, 2005) - **Superfluids and their vortices** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sps2005.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sps2005.ppt)\] (Society of Physics Students, Yale University, February 4, 2005) - **Quantum phase transitions and the Luttinger theorem** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp2005.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp2005.ppt); [WebCam](http://online.itp.ucsb.edu/online/qpt_c05/sachdev/)\] (Conference on Quantum Phase Transitions, Kavli Institute for Theoretical Physics, January 18-21, 2005) - **Classifying two-dimensional superfluids: why there is more to cuprate superconductivity than the condensation of charge -2e Cooper pairs** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ubc.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ubc.ppt)\] (University of British Columbia, January 6, 2005) - **Quantum phase transitions out of the heavy Fermi liquid** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ubc2.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ubc2.ppt)\] (University of British Columbia, January 6, 2005) - **Classifying two-dimensional superfluids: why there is more to cuprate superconductivity than the condensation of charge -2e Cooper pairs** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mit2004.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mit2004.ppt)\] (MIT, December 13, 2004) - **Classifying two-dimensional superfluids: why there is more to cuprate superconductivity than the condensation of charge -2e Cooper pairs** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/princeton.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/princeton.ppt)\] (Valence Bonds in Condensed Matter, Princeton University, December 3, 2004) - **The quantum mechanics of vortices in a superfluid near a Mott transition** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard_kids.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard_kids.ppt)\] (Columbia University, November 3, 2004; Harvard University, November 9, 2004) - **Quantum vortices and competing orders** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/maryland.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/maryland.ppt)\] (University of Maryland, October 26, 2004) - **Insights into quantum matter from new experiments** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp_fop.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp_fop.ppt); [WebCam](http://online.itp.ucsb.edu/online/kitp25/fisher/)\] (Conference on The Future of Physics, Kavli Institute for Theoretical Physics, October 7-9, 2004) - **Putting competing orders in their place near the Mott transition** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/montauk.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/montauk.ppt)\] (International Workshop on Frustrated Magnetism, Montauk, September 13-17, 2004; University of Massachusetts, Amherst, September 30, 2004) - **Competing orders: beyond the Landau-Ginzburg-Wilson paradigm** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sces.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sces.ppt)\] (International Conference on Strongly Correlated Electron Systems, SCES 04, Karlsruhe, Germany, July 26-30, 2004) - **Competing orders: beyond the Landau-Ginzburg-Wilson paradigm** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sendai2004.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sendai2004.ppt)\] (Spectroscopies in Novel Superconductors, Sitges, Spain, July 11-16, 2004; Statistical Physics of Quantum Systems - novel orders and dynamics, Sendai, Japan, July 17-20, 2004) - **Quantum Phase Transitions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/boulder2004.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/boulder2004.ppt)\] (3 lectures at The Boulder School in Condensed Matter and Materials Physics: Quantum Coherence in Atomic and Condensed Matter Systems, July 5-9, 2004) - **Competing orders: beyond the Landau-Ginzburg-Wilson paradigm** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc2004.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc2004.ppt)\] (Gordon Research Conference, Mt. Holyoke College, June 20-25, 2004) - **Quantum criticality: from the trivial to the exotic** \[[WebCam](http://online.itp.ucsb.edu/online/bblunch/sachdev/)\] (KITP Blackboard lunch, Santa Barbara, May 24, 2004) - **Breakdown of the Landau-Ginzburg-Wilson paradigm at quantum phase transitions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lebowitz.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lebowitz.ppt)\] (91st Statistical Mechanics Conference, Rutgers University, May 16-18, 2004) - **Quantum phase transition in an atomic Bose gas with a Feshbach resonance** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/feshbach.pdf); [Powerpoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/feshbach.ppt); [WebCam](http://online.itp.ucsb.edu/online/gases_c04/discussion2/)\] (Kavli Institute for Theoretical Physics, Santa Barbara, May 11, 2004) - **Quantum phase transitions: from Mott insulators to the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsb2004.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsb2004.ppt)\] (University of California, Santa Barbara, May 4, 2004) - **Breakdown of the Landau-Ginzburg-Wilson paradigm at quantum phase transitions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/yale2004.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/yale2004.ppt)\] (Yale University, April 29, 2004) - **Quantum criticality beyond the Landau-Ginzburg-Wilson paradigm** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps_montreal.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps_montreal.ppt)\] (APS meeting, Montreal, March 22-26, 2004) - **Universal conductance of nanowires at the superconductor-metal quantum transition** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps_montreal_smt.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aps_montreal_smt.ppt)\] (APS meeting, Montreal, March 22-26, 2004) - **Quantum phase transitions: from Mott insulators to the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard2004.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard2004.ppt)\] (Cornell University, March 8, 2004, Harvard University, March 12, 2004) - **Quantum phase transitions: from Mott insulators to the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers_2004.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers_2004.ppt)\] (Rutgers University, February 24, 2004) - **Mean field theories of quantum spin glasses** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsd.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ucsd.ppt)\] (ICAM "Electronic Mayonnaise" Conference, La Jolla, December 11-13, 2003) - **Order and quantum phase transitions in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tennessee.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/tennessee.ppt)\] (University of Tennessee, November 10, 2003) - **Magnetic phases and critical points of insulators and superconductors (three lectures)** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/beijing.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/beijing.ppt)\] (Workshop on High-Tc Superconductivity & Quantum Critical Phenomena, The Interdisciplinary Center of Theoretical Studies, Chinese Academy of Sciences, Beijing, October 20-26, 2003) - **The quantum mechanics of superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sps.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sps.ppt)\] (Society of Physics Students, Yale University, October 10, 2003) - **Magnetic phases and critical points of insulators and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/diablerets.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/diablerets.ppt)\] (Swiss Workshop on Materials with Novel Electronic Properties, Les Diablerets, September 29 - October 1, 2003) - **Ground state of quantum antiferromagnets in two dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aim.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aim.ppt)\] (Workshop on Topological Phases in Condensed Matter Physics, American Institute of Mathematics, Palo Alto, September 7-11, 2003) - **Berry phases and magnetic quantum critical points of Mott insulators in two dimensions** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bnl2003.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bnl2003.ppt)\] (International Workshop on Field Theory Methods in Correlated Nanoscale Systems, Brookhaven, August 26-30, 2003) - **Magnetic phases and critical points of insulators and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nist.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nist.ppt)\] (Theory, Modeling, and Neutron Scattering, NIST, Gaithersburg, August 12-14 , 2003) - **Magnetic phases and critical points of insulators and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/boulder.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/boulder.ppt)\] (4 lectures at the Boulder School for Condensed Matter and Materials Physics: Frontiers of Magnetism, Colorado, July 8-15, 2003) - **Understanding correlated electron systems by a classification of Mott insulators** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nordita.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nordita.ppt)\] (Nordita, Copenhagen, June 14, 2003) - **Order and quantum phase transitions in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nyborg.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/nyborg.ppt)\] (Plenary talk at the Annual Meeting of the Danish Physical Society, Nyborg, June 13, 2003) - **Quantum criticality in insulators, metals and superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ferlin.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ferlin.ppt)\] (FERLIN conference, Dresden, June 12, 2003) - **Understanding correlated electron systems by a classification of Mott insulators** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rio.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rio.ppt)\] (M2S-HTSC, Rio de Janeiro, May 29, 2003) - **Understanding correlated electron systems by a classification of Mott insulators** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dalfsen.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dalfsen.ppt)\] (Trends in Theory 2003, symposium of the Dutch Research School of Theoretical Physics, Dalfsen, May 22-23, 2003) - **Quantum phases and critical points of correlated metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/leiden2003.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/leiden2003.ppt)\] (Workshop on Non Fermi liquid behavior and quantum phase transitions, Lorentz Center, Leiden, May 21, 2003) - **Understanding correlated electron systems by a classification of Mott insulators** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ciar2003.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ciar2003.ppt)\] (Quantum Materials Program Meeting of the Canadian Institute for Advanced Research, Vancouver, May 16-19, 2003) - **Dynamics of Mott insulators in strong potential gradients** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cebc.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/cebc.ppt)\] (Conference on Correlation Effects in Bose Condensates and Optical Lattices, University of Minnesota, May 2-4, 2003) - **Order and quantum phase transitions in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/urbana.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/urbana.ppt)\] (University of Illinois, April 28, 2003; McMaster University, April 30, 2003; University of Waterloo, May 1, 2003) - **Quantum phase transitions of ultracold atoms** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/genoa.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/genoa.ppt)\] (Mid-Term Review Meeting of Cold Quantum Gases, Camogli, Italy, March 31, 2003) - **Fractionalized Fermi liquids** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icam2.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icam2.ppt)\] (Workshop on Quantum Criticality, Institute for Complex Adaptive Matter, New York, March 21, 2003) - **Magnetic quantum criticality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icam1.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icam1.ppt)\] (Workshop on Quantum Criticality, Institute for Complex Adaptive Matter, New York, March 20, 2003) - **Quantum phases and critical points of correlated metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rice.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rice.ppt)\] (Rice University, March 17, 2003) - **Order and quantum phase transitions in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lbl.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lbl.ppt)\] (Lawrence Berkeley Laboratory, March 12, 2003; National High Magnetic Field Laboratory, Tallahassee, March 14, 2003) - Talk by **ADAM DURST** on **Radiation-Induced Magnetoresistance Oscillations in a 2D Electron Gas** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/oscil.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/oscil.ppt)\] (Yale Condensed Matter Seminar, February 20, 2003) - **Phases and phase transitions of quantum materials** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aaas.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aaas.ppt)\] (AAAS Annual meeting, Boulder, February 15, 2003) - **Understanding correlated electron systems by a classification of Mott insulators** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen2003.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen2003.ppt)\] (Aspen workshop on Complex Quantum Order, February 9-15, 2003) - **Order and quantum phase transitions in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/arizona.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/arizona.ppt)\] (University of Arizona, January 17, 2003; Stony Brook University, January 28, 2003) - **Quantum phases and critical points of correlated metals** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/kitp.ppt); [WebCam](http://online.itp.ucsb.edu/online/cem_c02/sachdev/)\] (Conference on Realistic Theories of Correlated Electron Materials, Kavli Institute for Theoretical Physics, Santa Barbara, November 18-22, 2002) - **Understanding correlated electron systems by a classification of Mott insulators** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/stanford.ppt)\] (Stanford University, October 24, 2002) - **Order and quantum phase transitions in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/matsen.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/matsen.ppt)\] (The 9th International Workshop on Oxide Electronics, St. Pete's Beach, Florida, October 20-23, 2002; F. A. Matsen Endowed Regents Lecture on the Structure of Matter at the University of Texas at Austin, October 9, 2002; University of Toronto, October 4, 2002) - [Competing order in the cuprate superconductors](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/postech.pdf) (APCTP-ICTP Conference on Condensed Matter Physics, September 25-28, 2002 POSTECH, Pohang, Korea) - [Small and large Fermi surfaces in metals with local moments](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rutgers.pdf) (University of Texas, Austin, Octoher 8, 2002; Rutgers, September 10, 2002) - [Competing order in the cuprate superconductors](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lt23.pdf) (23rd International Conference on Low Temperature Physics, August 20 - 27, 2002 Hiroshima, Japan) - **Competing orders and quantum criticality** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/trieste2002.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/trieste2002.ppt)\] (Lectures at the Workshop on Emergent Materials and Highly Correlated Electrons, Trieste, Italy, 5-16 August 2002) - **Competing order in the cuprate superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/th2002.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/th2002.ppt)\] (Quantum Phases at the Nanoscale, Erice, Sicily July 15-20, 2002, and International Conference on Theoretical Physics Paris, UNESCO, 22-27 July 2002) - [Perspective and overview on cuprates and magnetic fields](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc2002.pdf) (Gordon Research Conference on Correlated Electron Systems, Waterville, Maine, 29 June-3 July 2002). - [Tuning antiferromagnetic quantum criticality in the cuprates by a magnetic field](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/acns.pdf) (American Conference on Neutron Scattering, Knoxville, 23-27 June 2002). - [Tuning spin and charge order in the cuprates by a magnetic field](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/rome.pdf) (International Conference on Field Theory and Statistical Mechanics, Rome, 10-15 June 2002). - **Magnetism across the metal-insulator transition** *and* **Mott insulators in strong electric fields** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mott.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mott.ppt)\] (Spins and Interactions in Mesoscopic Systems, Minneapolis, May 10-12, 2002) - [Vortices and impurities in the cuprate superconductors ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/chicago.pdf) (University of Illinois, Chicago, April 2002; Northwestern University, 25 April 2002; University of Wisconsin, 26 April 2002; University of Chicago, 7 May 2002) - [Competing orders in a magnetic field: spin and charge density waves in the cuprates](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mar02.pdf), (Invited talk the APS Meeting, Indianapolis, 20 March 2002) - [Quantum Coherence and Dissipation ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/aspen2002.pdf), Summary talk at the Aspen winter conference (Aspen, 11-15 February 2002) - [Vortices in the cuprate superconductors ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sfu.pdf) (Simon Fraser University, 1 March 2002; Johns Hopkins University, 31 January 2002) - [Tuning order in the cuprate superconductors ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/weizmann.pdf) (Weizmann Institute, Israel, 6 January 2002) - [Competing orders and quantum criticality in the cuprate superconductors ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/jerusalem.pdf) (Winter School on Theoretical Physics, Jerusalem, 30 December 2001-8 January 2002) - [Tuning order in the cuprate superconductors by a magnetic field ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ciar2.pdf) (Meeting of the Canadian Institute for Advanced Research, Victoria, BC, November 29-December 2, 2001) - **Quantum phase transitions in atomic gases and condensed matter** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bbec.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/bbec.ppt)\] (Lecture at Beyond BEC: Ultracold Atoms beyond Mean-field Physics, ITAMP Harvard, November 2-3, 2001) - **Competing orders and quantum phase transitions in the cuprate high temperature superconductors** \[[PDF](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvardc.pdf); [PowerPoint](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/pphmf_print.ppt)\] (Harvard University, October 2001; CCNY, October 2001; Sante Fe Meeting on Physical Phenomena in High Magnetic Fields, October 2001; Workshop at the Lorentz Center, Leiden, October 29- Nov 9, 2001) - [Competing orders and quantum criticality in the high temperature superconductors ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mexico.pdf) (Mexican Meeting on Mathematical and Experimental Physics, Colegio Nacional, September 2001) - [Quantum phase transitions of correlated electrons in two dimensions ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/altenberg.pdf) (Lectures at the International Summer School on Fundamental Problems in Statistical Physics X, August 20 - September 2, 2001, Altenberg, Germany) - [Quantum phase transitions of antiferromagnets and d-wave superconductors ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qmbt.pdf) (Plenary talk at the 11th International Conferences on Recent Progress in Many-Body Theories, Manchester, July 2001) - [Quantum transitions of superconductors in a magnetic field ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/dresden.pdf) (Cavendish Laboratory, Cambridge, July 2001; International Conference on Magnetic Correlations, Metal-Insulator Transitions and Superconductivity in Novel Materials, Dresden, July 2001) - [Quantum phase transitions in antiferromagents and superconductors ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/telaviv.pdf) (Minerva-ISF Workshop on Advances in High Temperature Superconductivity, Ramat-Gan, Israel, May 2001) - [Quantum phase transitions in antiferromagents and superconductors ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/sns.pdf) (Conference on Spectroscopy of Novel Superconductors, Chicago, May 2001) - [Competing orders in the high temperature superconductors: implications of recent experiments ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/umass.pdf) (University of Massachusetts, Amherst, May 2001) - [Spin ordering quantum transitions in two-dimensional superconductors ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mit.pdf) (Princeton University, March 2001; M.I.T., April 2001; Boston College, April 2001; Boston University, April 2001) - [Quantum impurities in Mott insulators and *d*-wave superconductors ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/harvard.pdf) (Harvard University, March 2001) - [Three lectures on quantum phase transitions in Mott insulators and *d*-wave superconductors ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/taiwan.pdf) (National Center for Theoretical Sciences, Hsinchu, Taiwan, January 2001) - [Spin correlations in Mott insulators and *d*-wave superconductors: implications of recent experiments ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/lanl.pdf) (S.N. Bose National Center for Basic Sciences, Calcutta, January 2001; Saha Institute of Nuclear Physics, Calcutta, January 2001; Jawaharlal Nehru University, Delhi, January 2001; University of North Carolina, February 2001; Los Alamos National Laboratory, February 2001) - [Quantum phase transitions in Mott insulators and *d*-wave superconductors ](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/ciar.pdf) (Canadian Institute for Advanced Research Superconductivity Meeting, Vancouver, December 2000) - [Spin correlations in Mott insulators and *d*-wave superconductors: implications of experiments on non-magnetic impurities ](http://online.itp.ucsb.edu/online/hightc00/sachdev/) (Seminar at the ITP Program on High Temperature Superconductivity, Santa Barbara, December 2000) - [Quantum antiferromagnetism and high temperature superconductivity](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/virginia.pdf) (University of Virgina, September 2000; Brandeis University, September 2000; Workshop on Opportunities in Materials Theory, NSF, October 2000; 13th International Symposium on Superconductivity, Tokyo, October 2000; Ames Laboratory, Iowa State University, October 2000; Yale University, November 2000; Penn State University, November 2000) - [Quantum phase transitions in d-wave superconductors](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/itp2000.pdf) (ITP conference on High-Tc superconductivity, Santa Barbara, August 2000) - [A new boundary conformal field theory in 2+1 dimensions](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/icmp.pdf) (ICMP 2000, London, July 2000) - [Quantum phase transitions in d-wave superconductors](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/trieste.pdf) (Trieste, July 2000) - [Quantum impurity dynamics in two-dimensional antiferromagnets and superconductors](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/grc.pdf) (Gordon Research Conference, June 2000). - [Damping of collective modes and quasiparticles in d-wave superconductors](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/leiden.pdf) (Fribourg and Leiden, June 2000). - [(A) Quasiparticle damping and quantum phase transitions in d-wave superconductors](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/newton.pdf) [(B) Quantum impurities in 2+1 dimensional conformal field theories: application to Zn impurities in YBCO](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/newton.pdf) (Newton Institute, April 2000; Indiana, May 2000). - [Universal damping of collective modes and quasiparticles in superconductors](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/mar00.pdf) (APS March Meeting, 2000) - [Collective spin dynamics of low-dimensional paramagnets and d-wave superconductors](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/qimptalk.pdf) (Bad Honnef and Stuttgart, December 1999) - [Quantum phase transitions in two-dimensional antiferromagnets and superfluids](https://pub-70e2646f201c44b0a370cf4429a5d711.r2.dev/berkeley.pdf) (Berkeley, October 1999) - [Towards a Global Phase Diagram of Doped Antiferromagnets](http://online.kitp.ucsb.edu/online/qmag_c99/sachdev/) (Santa Barbara, Aug 16, 1999) - [Quantum Hall Ferromagnets and Antiferromagnets](http://online.kitp.ucsb.edu/online/qhall_c98/sachdev/) (Santa Barbara, Aug 13, 1998)