29 citations · 121 across the 15 of their papers we have counts for
17 papers
Collective excitation of Bose-Einstein condensate of Bose atoms with Pöschl-Teller interaction
Avra Banerjee, Arnab Bhowmik, Dwipesh Majumder
We investigate the collective excitations of Bose atoms in the condensate phase with finite-range interactions, modeled using the Pöschl-Teller (PT) potential to explicitly account…
Surface excitation of Rydberg dressed quantum droplet of Bose-Einstein Condensates
Avra Banerjee, Dwipesh Majumder
We have considered a quantum droplet of two components of Bose-Einstein condensate (BEC) inside the electron of a Rydberg atom to study the surface mode of collective excitation us…
Collective Excitation of Quantum Droplet with Different Ranges of the Interaction of Pöschl-Teller Potential
Avra Banerjee, Dwipesh Majumder
In this article, we studied quantum droplet with the Pöschl-Teller (PT) interaction potential between the Bose atoms. The Gross-Pitaevskii (GP) equation governs the system. The ran…
Low-dimensional Bose-Bose Mixture in Random Speckle Potential
Avra Banerjee, Saswata Sahu, Dwipesh Majumder
In this work, we have studied the effect of the repulsive speckle potential in a mixture of Bose-Einstein condensates in one dimension (1D) and two dimension (2D). We simulated lin…
Collective excitations of Bose-Einstein Condensate in a Rydberg Atom
Avra Banerjee, Dwipesh Majumder
In this work, we investigated a Bose-Einstein condensate (BEC) inside a Rydberg atom. We first observed the density profile of the system using the Gross-Pitaevskii equation, and t…
Higher energy modes of Fractional quantum Hall Effect
Debashis Das, Moumita Indra, Dwipesh Majumder
We have calculated the energy spectra for almost all the filling fractions in the Jain series low energy fundamental mode as well as higher energy modes using composite fermion the…
Study of polarization of even-denominator fractional quantum Hall states in SU(4) Graphene
Moumita Indra, Dwipesh Majumder
We have focussed to study the even-denominator fractional quantum Hall (EDFQH) states observed in monolayer graphene. In this letter, we have studied polarization mainly for the tw…
Two dimensional Quantum droplets in random repulsive potential
Saswata Sahu, Dwipesh Majumder
We have studied the effect of time-independent repulsive random impurity potential on the quantum droplets of Bose-Einstein condensation of two different species of Bose atoms in t…
Collective excitations of two-dimensional Bose-Einstein Condensate in liquid phase with spin-orbit coupling
Saswata Sahu, Dwipesh Majumder
We have studied the collective excitation of Bose-Einstein condensate of short range weak interacting atoms with spin-orbit coupling (SOC) in two dimension in liquid phase. In our…
Collective spin density excitations of fractional quantum Hall states in dilute ultracold Bose atoms
Moumita Indra, Dwipesh Majumder
We have studied collective spin density excitations of fractional quantum Hall effect (FQHE) in rotating Bose-Einstein condensation for the three filling fractions of first series…
Study of partially polarized fractional quantum Hall states
Moumita Indra, Debashis Das, Dwipesh Majumder
We have studied the partially spin-polarized fractional quantum Hall states using Chern Simon's theory and plasma picture proposed by Halperin. Using these theoretical techniques w…
Roton minimum at filled fractional quantum Hall effect of Bose particles
Debashis Das, Saswata Sahu, Dwipesh Majumder
We have studied the collective excitation of fractional quantum Hall effect (FQHE) in the rotating Bose-Einstein condensate (BEC) using CF theory at the filling fraction . T…
Bose-Einstein Condensation in nonuniform rotation
Saswata Sahu, Dwipesh Majumder
In this work, we would like to present the Bose-Einstein Condensation in such a system where rotation is decreasing radially from the centre of the condensate. That non-uniform rot…
Neutral Collective Modes in Spin-Polarized Fractional Quantum Hall States at Filling Factors 1/3, 2/5, 3/7, and 4/9
Dwipesh Majumder, Sudhansu S. Mandal
We determine the lowest and higher order collective modes in both spin-conserving and spin-reversed sectors by calculating energy differences of the appropriate linear combinations…
Higher Energy Composite Fermion Levels in the Fractional Quantum Hall Effect
Trevor D. Rhone, Dwipesh Majumder, Brian S. Dennis +9
Even though composite fermions in the fractional quantum Hall liquid are well established, it is not yet known up to what energies they remain intact. We probe the high-energy spec…
Observation of non-conventional spin waves in composite fermion ferromagnets
U. Wurstbauer, S. S. Mandal, D. Majumder +8
We find unexpected low energy excitations of fully spin-polarized composite-fermion ferromagnets in the fractional quantum Hall liquid, resulting from a complex interplay between a…
Casimir force on interacting Bose-Einstein condensate
Shyamal Biswas, J. K. Bhattacharjee, Dwipesh Majumder +2
We have presented an analytic theory for the Casimir force on a Bose-Einstein condensate (BEC) which is confined between two parallel plates. We have considered Dirichlet boundary…