3 papers
quant-ph2020
Parametric oscillations in a dissipative bosonic Josephson junction
Abhik Kumar Saha, Deb Shankar Ray, Bimalendu Deb
We study the dynamics of a nonlinear dissipative bosonic Josephson junction (BJJ) with a time-dependent sinusoidal perturbation in interaction term. We demonstrate parametric reson…
physics.atom-ph2019
Modeling atom-atom interactions at low energy by Jost-Kohn potentials
Subhanka Mal, Kingshuk Adhikary, Dibyendu Sardar +2
More than 65 years ago, Jost and Kohn [R. Jost and W. Kohn, {Phys. Rev.} {\bf 87}, 977 (1952)] derived an explicit expression for a class of short-range model potentials from a giv…
physics.atom-ph2019
The effects of trap-confinement and interatomic interactions on Josephson effects and macroscopic quantum self-trapping for a Bose-Einstein Condensate
Abhik Kumar Saha, Kingshuk Adhikary, Subhanka Mal +2
We theoretically study the effects of trap-confinement and interatomic interactions on Josephson oscillations (JO) and macroscopic quantum self-trapping (MQST) for a Bose-Einstein…