# Reviews See also, lectures on my [YouTube channel](https://www.youtube.com/subir1961). - *Critical quantum liquids and the cuprate high temperature superconductors*, P. M. Bonetti, M. Christos, A. Nikolaenko, A. A. Patel, and S. Sachdev, [arXiv:2508.20164](https://arxiv.org/abs/2508.20164); [DOI](https://doi.org/10.48550/arXiv.2508.20164). - *The foot, the fan, and the cuprate phase diagram: Fermi-volume-changing quantum phase transitions*, S. Sachdev, Physica C **633**, 1354707 (2025); [arXiv:2501.16417](https://arxiv.org/abs/2501.16417); [DOI](https://doi.org/10.1016/j.physc.2025.1354707) (Corrigendum Physica C **633**, 1354732 (2025); [DOI](https://doi.org/10.1016/j.physc.2025.1354732)). - *Quantum spin liquids and the phases of the cuprates*, S. Sachdev, Coshare Science **02**, 03 (2024) \[[Video review talk](https://www.cosharescience.com/videodetail/127)\]; [DOI](https://doi.org/10.61109/cs.202401.127). - *The quantum phases of matter*, S. Sachdev, Lecture at 100th Anniversary Solvay Conference on Physics, "The Theory of the Quantum World", Brussels, Oct 19-22, 2011, [arXiv:1203.4565](http://arxiv.org/abs/1203.4565) (Subjects [ads](http://140.247.122.253/ads.html), [nfl](http://140.247.122.253/nfl.html)); [DOI](https://doi.org/10.48550/arXiv.1203.4565). - *Quantum spin liquids and the phases of the cuprates*, S. Sachdev, Coshare Science **02**, 03 (2024) \[[Video review talk](https://www.cosharescience.com/videodetail/127)\]; [DOI](https://doi.org/10.61109/cs.202401.127). - *Strange Metals and Black Holes: Insights From the Sachdev-Ye-Kitaev Model*, S. Sachdev, Oxford Research Encyclopedia in Physics, December 2023; [arXiv:2305.01001](https://arxiv.org/abs/2305.01001); [DOI](https://doi.org/10.1093/acrefore/9780190871994.013.48). - *Quantum statistical mechanics of the Sachdev-Ye-Kitaev model and charged black holes*, S. Sachdev, chapter in *50 years of the renormalization group*, dedicated to the memory of Michael E. Fisher, edited by Amnon Aharony, Ora Entin-Wohlman, David Huse, and Leo Radzihovsky, World Scientific (2024), [DOI](https://doi.org/10.1142/13571); International Journal of Modern Physics B **38**, 2430003 (2024); [arXiv:2304.13744](https://arxiv.org/abs/2304.13744); [DOI](https://doi.org/10.1142/S0217979224300032). - *Sachdev-Ye-Kitaev Models and Beyond: A Window into Non-Fermi Liquids*, D. Chowdhury, A. Georges, O. Parcollet, and S. Sachdev, Reviews of Modern Physics **94**, 035004 (2022); [arXiv:2109.05037](https://arxiv.org/abs/2109.05037); [DOI.](https://doi.org/10.1103/RevModPhys.94.035004) - *Quantum Connections*, S. Hartnoll, S. Sachdev, T. Takayanagi, Xie Chen, E. Silverstein, and J. Sonner, [Nature Reviews Physics **3**, 391 (2021)](https://www.nature.com/articles/s42254-021-00319-0); [DOI](https://doi.org/10.1038/s42254-021-00319-0). - *Topological order, emergent gauge fields, and Fermi surface reconstruction*, S. Sachdev, partly based on lectures at the 34th Jerusalem Winter School in Theoretical Physics: New Horizons in Quantum Matter, December 27, 2016 - January 5, 2017, Reports on Progress in Physics **82**, 014001 (2019); [arXiv:1801.01125](http://arxiv.org/abs/1801.01125); [DOI](https://doi.org/10.1088/1361-6633/aae110). - *The novel metallic states of the cuprates: Fermi liquids with topological order and strange metals*, S. Sachdev and D. Chowdhury, Progress of Theoretical and Experimental Physics 12C102 (2016); [arXiv:1605.03579](http://arxiv.org/abs/1605.03579). (Subjects [nfl](http://140.247.122.253/nfl.html), [deconfine](http://140.247.122.253/deconfine.html), [dcp](http://140.247.122.253/dcp.html)); [DOI](//doi.org/10.1093/ptep/ptw110). - *Emergent gauge fields and the high temperature superconductors*, S. Sachdev, Philosophical Transactions of the Royal Society A **374**, 20150248 (2016); [arXiv:1512.00465](http://arxiv.org/abs/1512.00465); [DOI](//doi.org/10.1098/rsta.2015.0248). - *The enigma of the pseudogap phase of the cuprate superconductors*, D. Chowdhury and S. Sachdev, in *Quantum Criticality in Condensed Matter: Phenomena, Materials and Ideas in Theory and Experiment: 50th Karpacz Winter School of Theoretical Physics*, J. Jedrzejewski Editor, World Scientific (2015), [arXiv:1501.00002](http://arxiv.org/abs/1501.00002); [DOI](//doi.org/10.1142/9789814704090_0001). - *Strange and Stringy*, S. Sachdev, [Scientific American **308**, 44 (January 2013)](http://www.nature.com/scientificamerican/journal/v308/n1/full/scientificamerican0113-44.html); [DOI](https://doi.org/10.5281/zenodo.15486252). - *What can gauge-gravity duality teach us about condensed matter physics?*, S. Sachdev, Annual Review of Condensed Matter Physics **3**, 9 (2012); [arXiv:1108.1197](http://arxiv.org/abs/1108.1197); [DOI](https://doi.org/10.1146/annurev-conmatphys-020911-125141). - *Quantum Criticality*, S. Sachdev and B. Keimer, [Physics Today **64**, no. 2, 29 (2011)](http://140.247.122.253/physicstodaykeimer.pdf); [arXiv:1102.4628](http://arxiv.org/abs/1102.4628); [DOI](https://doi.org/10.1063/1.3554314). - *The quantum phases of matter*, S. Sachdev, Lecture at 100th Anniversary Solvay Conference on Physics, "The Theory of the Quantum World", Brussels, Oct 19-22, 2011, [arXiv:1203.4565](http://arxiv.org/abs/1203.4565); [DOI](https://doi.org/10.48550/arXiv.1203.4565). - *Quantum criticality and the phase diagram of the cuprates*, S. Sachdev, Physica C **470**, S4 (2010); Keynote talk, 9th International Conference on Materials and Mechanisms of Superconductivity, Tokyo, Sep 7-12, 2009, [arXiv:0910.0846](http://arxiv.org/abs/0910.0846); [DOI](https://doi.org/10.1016/j.physc.2009.11.011). - *Finite temperature dissipation and transport near quantum critical points* , S. Sachdev, contributed chapter to the book *Understanding Quantum Phase Transitions*, edited by Lincoln D. Carr (Taylor & Francis, Boca Raton, 2010) [arXiv:0910.1139](http://arxiv.org/abs/0910.1139); [DOI](//doi.org/10.1201/b10273-3). - *Exotic phases and quantum phase transitions: model systems and experiments*, S. Sachdev, Rapporteur talk, *Quantum Theory of Condensed Matter: Proceedings of the 24th Solvay Conference on Physics*, Bertrand Halperin editor, World Scientific (2010), [arXiv:0901.4103](http://arxiv.org/abs/0901.4103); [DOI](https://doi.org/10.48550/arXiv.0901.4103). - *The landscape of the Hubbard model*, S. Sachdev, TASI (Boulder, June 2010) and Chandrasekhar (Bangalore, December 2010) lectures in *String Theory and Its Applications, TASI 2010, From meV to the Planck Scale*, edited by Michael Dine, Thomas Banks, and Subir Sachdev, World Scientific, Singapore (2011); [arXiv:1012.0299](http://arxiv.org/abs/1012.0299); [DOI](//doi.org/10.1142/9789814350525_0009). - *Quantum phase transitions of antiferromagnets and the cuprate superconductors*, Lectures at the Les Houches School May 11-29, 2009; published in *Modern Theories of Many-Particle Systems in Condensed Matter Physics*, D. C. Cabra, A. Honecker, and P. Pujol eds, Lecture Notes in Physics v. 843, Springer, Berlin (2012); and Lectures at the Mahabaleshwar Condensed Matter School, International Center for Theoretical Sciences, India, December 16-23, 2009; [arXiv:1002.3823](http://arxiv.org/abs/1002.3823); [DOI](//doi.org/10.1007/978-3-642-10449-7_1). - *Quantum magnetism and criticality*, S. Sachdev, Nature Physics **4**, 173 (2008); [arXiv:0711.3015](http://arxiv.org/abs/0711.3015); [DOI](https://doi.org/10.1038/nphys894). - *Order and quantum phase transitions in the cuprate superconductors*, S. Sachdev, Reviews of Modern Physics **75**, 913 (2003); [cond-mat/0211005](http://arxiv.org/abs/cond-mat/0211005); [DOI](//doi.org/10.1103/RevModPhys.75.913). - *Quantum phases and phase transitions of Mott insulators* , S. Sachdev in *Quantum magnetism*, U. Schollwock, J. Richter, D. J. J. Farnell and R. A. Bishop eds, Lecture Notes in Physics **645**, Springer, Berlin (2004), [cond-mat/0401041](http://arxiv.org/abs/cond-mat/0401041); [DOI](//doi.org/10.1007/BFb0119599). - **Quantum Phase Transitions** - [Book](http://140.247.122.253/qptweb/toc.html) published by Cambridge University Press (1999). - *popular science article in iThe New Physics, edited by Gordon Fraser, Cambridge University Press;* [*Weblink*](https://doi.org/10.5281/zenodo.15486180) [*DOI*](https://doi.org/10.1017/CBO9781139644228.012)*.* - *contribution to the Encyclopedia of Mathematical Physics, eds. J.-P. Françoise, G.L. Naber and Tsou S.T., **4**, 289 (2006), Oxford: Elsevier;* [*Weblink*](https://doi.org/10.5281/zenodo.15486204)*;* [*DOI*](https://doi.org/10.1016/B0-12-512666-2/00132-2)*.* - *contribution to the Handbook of Magnetism and Advanced Magnetic Materials, edited by H. Kronmuller and S. Parkin, Wiley, 2005;* [*Weblink*](https://onlinelibrary.wiley.com/doi/10.1002/9780470022184.hmm108)*;* [*DOI*](https://doi.org/10.5281/zenodo.15486225)*.* - *Quantum criticality: competing ground states in low dimensions, S. Sachdev, Science **288**, 475 (2000);* [*cond-mat/0009456*](http://arxiv.org/abs/cond-mat/0009456)*;* [*DOI*](//doi.org/10.1126/science.288.5465.475)*.*