PHYSICS

Rajesh Narayanan

Professor

HSB 311A
Ph.D. University of Oregon

📞 044 - 2257 4858
✉️ rnarayanan@iitm.ac.in

👤 Personal Home Page

Areas of Interest

Condensed Matter Theory: Quantum Field Theories applied to condensed matter systems
Quantum Phase Transitions
Strong disorder physics

Current Research

Students

Current PhD Students

PH18D005 VISHNU P K
PH19D044 KETAN MAHENDRAKUMAR AMIN
PH19D064 SUDESHNA PAL

Recent Publications

* Holographic approach to entanglement entropy in disordered systems . Rajesh Narayanan, Chanyong Park, and Yun-Long Zhang . Phys. Rev. D . 99 . 046019 . 2019.
* Tuning a random-field mechanism in a frustrated magnet . Shashikant Singh Kunwar, Arnab Sen, Thomas Vojta, and Rajesh Narayanan . Phys. Rev. B . 98 . 024206 . 2018.
* Emergent infinite-randomness fixed points from the extensive random bipartitions of the spin-1 Affleck-Kennedy-Lieb-Tasaki topological state . Min Lu, Wen-Jia Rao, Rajesh Narayanan, Xin Wan, and Guang-Ming Zhang . Phys. Rev. B . 94 . 214427 . 2016.
* Intertwined nematic orders in a frustrated ferromagnet . Yasir Iqbal, Pratyay Ghosh, Rajesh Narayanan, Brijesh Kumar, Johannes Reuther, and Ronny Thomale . Phys. Rev. B . 94 . 224403. 2016.
* Strong-randomness phenomena in quantum Ashkin-Teller models . Hatem Barghathi, Fawaz Hrahsheh, Jose A. Hoyos, Rajesh Narayanan, Thomas Vojta, . Physica Scripta . T165 . 014040. 2015.
* Emerging criticality in the disordered three-color Ashkin-Teller model. . Qiong Zhu, Xin Wan, Rajesh Narayanan, José A. Hoyos, Thomas Vojta, . Phys. Rev. B . 91 . 224201. 2015.
* Strong-randomness infinite-coupling phase in a random quantum spin chain . Fawaz Hrahsheh, Rajesh Narayanan, José A. Hoyos, Thomas Vojta . Phys. Rev. B. . 89 . 014401. 2014.
* Density of states in Graphene with vacancies: Midgap power-law and frozen multifractality. . V. Haefener, J. Schindler, N. Weik, T. Mayer, S. Balakrishnan, R. Narayanan, S. Bera, and F. Evers . Phys. Rev. Lett. . 113 . 186802. 2014.
* Influence of spin fluctuations near the Mott transition: a DMFT study . Serge Florens, Priyanka Mohan, C. Janani, T. Gupta, R. Narayanan, . Europhys. Lett. . 103 . 17002. 2013.
* Influence of superohmic dissipation on a disordered quantum critical point.. Thomas Vojta, J. A. Hoyos, Priyanka Mohan, and Rajesh Narayanan,. Condens. Matter. 23. 094206. 2011.

* Strong-randomness phenomena in quantum Ashkin-Teller models . Hatem Barghathi, Fawaz Hrahsheh, Jose A. Hoyos, Rajesh Narayanan, Thomas Vojta, . Physica Scripta . T165 . 014040. 2015.
* Emerging criticality in the disordered three-color Ashkin-Teller model. . Qiong Zhu, Xin Wan, Rajesh Narayanan, José A. Hoyos, Thomas Vojta, . Phys. Rev. B . 91 . 224201. 2015.
* Strong-randomness infinite-coupling phase in a random quantum spin chain . Fawaz Hrahsheh, Rajesh Narayanan, José A. Hoyos, Thomas Vojta . Phys. Rev. B. . 89 . 014401. 2014.
* Density of states in Graphene with vacancies: Midgap power-law and frozen multifractality. . V. Haefener, J. Schindler, N. Weik, T. Mayer, S. Balakrishnan, R. Narayanan, S. Bera, and F. Evers . Phys. Rev. Lett. . 113 . 186802. 2014.
* Influence of spin fluctuations near the Mott transition: a DMFT study . Serge Florens, Priyanka Mohan, C. Janani, T. Gupta, R. Narayanan, . Europhys. Lett. . 103 . 17002. 2013.
* Influence of superohmic dissipation on a disordered quantum critical point.. Thomas Vojta, J. A. Hoyos, Priyanka Mohan, and Rajesh Narayanan,. Condens. Matter. 23. 094206. 2011.
* Dissipative spin dynamics near a quantum critical point: Numerical Renormalization Group and Majorana diagrammatics. Serge Florens, Axel Freyn, Davide Venturelli, and Rajesh Narayanan. Phys. Rev. B. 84. 155110. 2011.
* On the Spin Boson Model. S. Florens, D. Venturelli, and R. Narayanan. Lecture Notes in Physics series,. 802. 145. 2010.
* Influence of Local Moment Fluctuations on the Mott-Transition. C. Janani, T. Gupta, S. Florens, and R. Narayanan,. Lecture Notes in Physics series. 802. 2010.
* Infinite randomness and 'quantum' Griffiths effects in a classical system: the randomly layered Heisenberg magnet. Priyanka Mohan, Rajesh Narayanan, Thomas Vojta. Phys. Rev B.. 82. 195445. 2010.
* An Anomalously Elastic, Intermediate Phase in Randomly Layered Superfluids, Superconductors, and Planar Magnets. Priyanka Mohan, Paul M. Goldbart, Rajesh Narayanan, John Toner, Thomas Vojta. Phys. Rev. Lett. 105. 085301. 2010.
* Elastic properties of graphene flakes: Boundary effects and lattice vibrations. S. Bera, A. Arnold, F. Evers, R. Narayanan, and P. Woelfle. Phys. Rev. B. 82. 195445. 2010.
* Griffiths phase in the thermal quantum hall effect.. A. Mildenberger, F. Evers, R. Narayanan, A.D. Mirlin and K.Damle. Phys. Rev. B (Rapid Communications). 73. 121301(R). 2006.
* Order parameter symmetry and mode coupling effects at dirty superconducting quantum phase transitions. Rastko Sknepnek, Thomas Vojta and Rajesh Narayanan. Phys. Rev. B.. 70. 104514. 2004.
* Transport anomalies and marginal Fermi-liquid effects at a quantum critical point. D. Belitz, S. L. Sessions, T. R. Kirkpatrick, R. Narayanan and T. Vojta. Int. J. Mod. Phys. B. 17. 5041. 2003.
* Transport anomalies and marginal Fermi liquid effects at a quantum critical point. D. Belitz, T.R. Kirkpatrick, R. Narayanan and T. Vojta. Phys. Rev. Lett.. 85. 4602. 2000.
* On the critical behavior of disordered quantum magnets: The relevance of rare regions. R. Narayanan, T. Vojta, D. Belitz, and T.R. Kirkpatrick. Phys. Rev. Lett.. 82. 5132. 1999.

Teaching

2017 : (Jul - Nov) - PH1010 Physics I
2018 : (Jan - May) - PH1020 Physics II; (Jul - Nov) - PH1080 Thermodynamics and Kinetic Theory
2019 : (Jul - Nov) - PH1080 Thermodynamics and Kinetic Theory
2020 : (Jan - May) - PH1020 Physics II
2021 : (Jan - May) - PH5680 Superconductivity & Its Applications ; (Jul - Nov) - EP3120 Statistical Physics and Applications / PH1030 Physics Laboratory I
2022 : (Jan - May) - EP3291 Engineering Physics Lab IV / PH5230 Seminar / PH5680 Superconductivity & Its Applications ; (Jul - Nov) - PH1080 Thermodynamics and Kinetic Theory
2023 : (Jan - May) - PH5680 Superconductivity & Its Applications