308 citations · 1.1k across the 33 of their papers we have counts for
8 papers · 1 filter
Phases and collective modes of bosons in a triangular lattice at finite temperature: A cluster mean field study
M. Malakar, S. Ray, S. Sinha +1
Motivated by the realization of Bose-Einstein condensates (BEC) in non-cubic lattices, in this work we study the phases and collective excitation of bosons with nearest neighbor in…
Dissipative Bose-Josephson junction coupled to bosonic baths
Sudip Sinha, S. Sinha
We investigate the effect of dissipation in a Bose-Josephson junction (BJJ) coupled to bath of bosons at two sites. Apart from the dynamical transition due to repulsive interaction…
Signature of Chaos and Delocalization in a Periodically Driven Many Body System : An Out-of-Time-Order Correlation Study
S. Ray, S. Sinha, K. Sengupta
We study out-of-time-order correlation (OTOC) for one-dimensional periodically driven hardcore bosons in the presence of Aubry-André (AA) potential and show that both the spectral…
Drive Induced Delocalization in Aubry-André Model
S. Ray, A. Ghosh, S. Sinha
Motivated by the recent experiment by Bordia et al [Nat. Phys. 13, 460 (2017)], we study single particle delocalization phenomena of Aubry-André (AA) model subjected to periodic dr…
A finite temperature study of ideal quantum gases in the presence of one dimensional quasi-periodic potential
Nilanjan Roy, S. Sinha
We study the thermodynamics of ideal Bose gas as well as the transport properties of non interacting bosons and fermions in a one dimensional quasi-periodic potential, namely Aubry…
Localization of weakly interacting Bose gas in quasiperiodic potential
Sayak Ray, Mohit Pandey, Anandamohan Ghosh +1
We study the localization properties of weakly interacting Bose gas in a quasiperiodic potential commonly known as Aubry-André model. Effect of interaction on localization is inves…