46 citations · 107 across the 13 of their papers we have counts for
5 papers · 1 filter
One-Dimensional Quench Dynamics in an Optical Lattice: sine-Gordon and Bose-Hubbard Descriptions
Subhrajyoti Roy, Rhombik Roy, Andrea Trombettoni +2
We investigate the dynamics of one-dimensional interacting bosons in an optical lattice after a sudden quench in the Bose-Hubbard (BH) and sine-Gordon (SG) regimes. While in higher…
Rotation quenches in trapped bosonic systems
Rhombik Roy, Sunayana Dutta, Ofir E. Alon
The ground state properties of strongly rotating bosons confined in an asymmetric anharmonic potential exhibit a split density distribution. However, the out-of-equilibrium dynamic…
Assessing small accelerations using a bosonic Josephson junction
Rhombik Roy, Ofir E. Alon
Bosonic Josephson junctions provide a versatile platform for exploring quantum tunneling and coherence phenomena in ultracold atomic systems. While extensive research has examined…
Expansion of strongly interacting dipolar bosons in 1D optical lattices
Rhombik Roy, Andrea Trombettoni, Barnali Chakrabarti
We numerically study the expansion dynamics of initially localized dipolar bosons in a homogeneous 1D optical lattice for different initial states. Comparison is made to interactin…
Quasi-superfluid and Quasi-Mott phases of strongly interacting bosons in shallow optical lattice
Subhrajyoti Roy, Rhombik Roy, Arnaldo Gammal +2
We explore the ground states of strongly interacting bosons in the vanishingly small and weak lattices using the multiconfiguration time-dependent Hartree method for bosons (MCTDHB…