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Dibyendu Roy

Associate Professor - I
Phone : 9480836219
Email : droy
Webpage : Scholar page
   
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My research in theoretical physics is at the interfaces of condensed matter, non-equilibrium statistical mechanics and atomic, molecular & optical (AMO) physics. Currently I am studying:
(a) strong light-matter interactions in one-dimensional continuum using analytical (multiparticle scattering theory) and numerical (time-evolving block decimation with matrix product states) techniques;
(b) physical mechanism(s) of many-body localization (MBL) and experimental methods to probe MBL in disordered systems with short- or long-range interactions; and
(c) non-equilibrium dynamics of spin, charge and energy in magnetic and spin-orbit coupled materials including synthetic topological superconductors.

 
Selected recent publications -
 
1 Strongly interacting photons in one-dimensional continuum
Dibyendu Roy, C. M. Wilson, and Ofer Firstenberg
Rev. Mod. Phys. 89, 021001 (2017)
   
2 Probing many-body localization by spin noise spectroscopy
Dibyendu Roy, Rajeev Singh, and Roderich Moessner
Phys. Rev. B 92, 180205(R) (2015)
   
3 Cross-correlation spin noise spectroscopy of heterogeneous interacting spin systems
Dibyendu Roy, Luyi Yang, Scott A. Crooker, Nikolai A. Sinitsyn
Scientific Reports 5, 9573 (2015)
   
4 Spin noise spectroscopy beyond thermal equilibrium and linear response
P. Glasenapp, N. A. Sinitsyn, Luyi Yang, D. G. Rickel, D. Roy, A. Greilich, M. Bayer, S. A. Crooker
Phys. Rev. Lett. 113, 156601 (2014)
   
5 Topologically trivial zero-bias conductance peak in semiconductor Majorana wires from boundary effects
Dibyendu Roy, Nilanjan Bondyopadhaya, and Sumanta Tewari
Phys. Rev. B 88, 020502(R) (2013)
   
6 Majorana fermions in a topological superconducting wire out of equilibrium: Exact microscopic transport analysis of a p-wave open chain coupled to normal leads
Dibyendu Roy, C. J. Bolech, and Nayana Shah
Phys. Rev. B 86, 094503 (2012)
   
7 Two-photon scattering by a driven three-level emitter in a one-dimensional waveguide and electromagnetically induced transparency
Dibyendu Roy
Phys. Rev. Lett. 106, 053601 (2011)
   
   
 
 
   
 
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