Department of Physics

Indian Institute Of Technology Madras , Chennai

Ph.D. JULY-NOV 2019 RESULTS LIST OF CANDIDATES PROVISIONALLY APPROVED FOR JULY-NOVEMBER 2019 ADMISSIONS - Click Here
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Dr. Rajesh Narayanan

HSB 311A

DESIGNATION

Associate Professor

Ph.D.

University of Oregon

CURRENT RESEARCH INTEREST

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

CONTACT

044 - 2257 4858

rnarayanan@iitm.ac.in

RESEARCH GROUPS

Research Group Page

Current Research :

Recent Publications :

Holographic approach to entanglement entropy in disordered systems

Rajesh Narayanan, Chanyong Park, and Yun-Long Zhang

Phys. Rev. D 99, 046019 (2019)

Volume: 99 Page: 046019 DOI: https://doi.org/10.1103/PhysRevD.99.046019

Year: 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)

Volume: 98 Page: 024206 DOI: https://doi.org/10.1103/PhysRevB.98.024206

Year: 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)

Volume: 94 Page: 214427 DOI: https://doi.org/10.1103/PhysRevB.94.214427

Year: 2016

Intertwined nematic orders in a frustrated ferromagnet

Yasir Iqbal, Pratyay Ghosh, Rajesh Narayanan, Brijesh Kumar, Johannes Reuther, and Ronny Thomale

Phys. Rev. B

Volume: 94 Page: 224403

Year: 2016

Strong-randomness phenomena in quantum Ashkin-Teller models

Hatem Barghathi, Fawaz Hrahsheh, Jose A. Hoyos, Rajesh Narayanan, Thomas Vojta,

Physica Scripta

Volume: T165 Page: 014040

Year: 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

Volume: 91 Page: 224201

Year: 2015

Strong-randomness infinite-coupling phase in a random quantum spin chain

Fawaz Hrahsheh, Rajesh Narayanan, José A. Hoyos, Thomas Vojta

Phys. Rev. B.

Volume: 89 Page: 014401

Year: 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.

Volume: 113 Page: 186802

Year: 2014

Influence of spin fluctuations near the Mott transition: a DMFT study

Serge Florens, Priyanka Mohan, C. Janani, T. Gupta, R. Narayanan,

Europhys. Lett.

Volume: 103 Page: 17002

Year: 2013

Localised zero-energy modes in the Kitaev model with vacancy-disorder

Santhosh G., V. Sreenath, Arul Lakshminarayan, Rajesh Narayanan

Phys. Rev. B

Volume: 85 Page: 054204

Year: 2012

Fractional quantum Hall states in two-dimensional electron systems with anisotropic interactions

Hao Wang, Rajesh Narayanan, Xin Wan, and Fuchun Zhang,

Phys. Rev. B.

Volume: 86 Page: 035122

Year: 2012

Influence of superohmic dissipation on a disordered quantum critical point.

Thomas Vojta, J. A. Hoyos, Priyanka Mohan, and Rajesh Narayanan,

J. Phys.: Condens. Matter

Volume: 23 Page: 094206

Year: 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

Volume: 84 Page: 155110

Year: 2011

On the Spin Boson Model

S. Florens, D. Venturelli, and R. Narayanan

Lecture Notes in Physics series,

Volume: 802 Page: 145

Year: 2010

Influence of Local Moment Fluctuations on the Mott-Transition

C. Janani, T. Gupta, S. Florens, and R. Narayanan,

Lecture Notes in Physics series

Volume: 802

Year: 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.

Volume: 82 Page: 195445

Year: 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

Volume: 105 Page: 085301

Year: 2010

Elastic properties of graphene flakes: Boundary effects and lattice vibrations. S. Bera, A. Arnold, F. Evers, R. Narayanan, and P. Wlfle

S. Bera, A. Arnold, F. Evers, R. Narayanan, and P. Woelfle

Phys. Rev. B

Volume: 82 Page: 195445

Year: 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).

Year: 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).

Year: 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

International Journal of Modern Physics B 17, 5041 (2003).

Year: 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).

Year: 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).

Year: 1999

Influence of rare regions on magnetic quantum phase transitions

R. Narayanan, T. Vojta, D. Belitz, and T.R. Kirkpatrick

Phys. Rev. B. 60, 10150, (1999).

Year: 1999

Effects of rare regions on magnetic quantum phase transitions

R. Narayanan, T. Vojta, D. Belitz, and T.R. Kirkpatrick, Ann

Phys. 8, 185, (1999).

Year: 1999

Quantum critical behavior of itinerant ferromagnets

T. Vojta, D. Belitz, T.R. Kirkpatrick and R. Narayanan

Ann. Phys. 8, 593, (1999).

Year: 1999

Quantum critical behavior of clean itinerant ferromagnets

T. Vojta, D. Belitz, R. Narayanan and T.R. Kirkpatrick

.Phys. B103, (1997) 451.

Year: 1997

Breakdown of Landau-Ginzburg-Wilson theory for certain quantum phase transitions

T. Vojta, D. Belitz, R. Narayanan and T.R. Kirkpatrick

Europhys. Lett., 36 (3), (1996), 191

Year: 1996

Boundary multifractality in critical 1d systems with long-range hopping.

A. Mildenberger, A. Subramaniam, R. Narayanan, F. Evers I. A. Gruzberg and A. D. Mirlin

Cond-matt/0611713, submitted to Phys. Rev. B