8 citations · 42 across the 20 of their papers we have counts for
20 papers
Emergence of giant vortices under nonlinear rotation with attractive interactions in a toroidal condensate
Rony Boral, Swarup K. Sarkar, Matthew Edmonds +2
We numerically investigate the effects of a density-dependent gauge potential which induces nonlinear rotation on a Bose-Einstein condensate confined in a toroidal trapping geometr…
Stability and dynamics of dark-bright solitons in spin-orbit- and Rabi-coupled binary Bose-Einstein condensates
K. Rajaswathi, R. Ravisankar, R. Radha +2
We investigate the stability and nonlinear dynamics of dark--bright solitons in a one-dimensional binary Bose--Einstein condensate subjected to synthetic spin--orbit and Rabi coupl…
Vortex Retention Mediated Turbulent Transitions in Self-Gravitating Bosonic and Axionic Condensates
Anirudh Sivakumar, Sanjay Shukla, Rahul Pandit +2
We investigate turbulent spin-down dynamics in self-gravitating Bose-Einstein condensates, comparing purely bosonic and axionic (higher-order interacting) systems. Through simulati…
Dynamically Stable Vortices in Exciton-Polariton Condensates Engineered by Repulsive Interactions
Palanivel Raman, Ramaswamy Radha, Pankaj Kumar Mishra +1
We present an analytical and numerical study of the dynamics and stability of exciton-polariton condensates described by the open-dissipative Gross-Pitaevskii equation, incorporati…
Supersolid phases and collective excitations in two-dimensional Rashba spin-orbit coupled spin-1 condensates
Sanu Kumar Gangwar, Sayan Chatterjee, Rajamanickam Ravisankar +3
We investigate the collective excitation spectrum and dynamics of a quasi two-dimensional spin-1 Bose-Einstein condensate with Rashba type spin-orbit (SO) coupling. Employing Bogol…
Emergence of spin-mixed superstripe phases in spin-orbit coupled spin-1 condensate
Sanu Kumar Gangwar, Rajamanickam Ravisankar, Paulsamy Muruganandam +1
We numerically investigate the ground state phases and quench dynamics of spin-orbit coupled spin-1 Bose-Einstein condensates with ferromagnetic and antiferromagnetic interactions.…
Collective excitation spectra of dipolar bosonic fractional quantum Hall states
Moumita Indra, Pankaj Kumar Mishra
We numerically investigate the collective excitation of spin-conserving and spin-reversed configuration of rotating diluted ultra-cold dipolar Bose gas. Rotating trapped Bose gas p…
Stable supersolids and boselets in spin-orbit-coupled Bose-Einstein condensates with three-body interactions
Rajamanickam Ravisankar, Sanu Kumar Gangwar, Henrique Fabrelli +6
We explore the stability of supersolid striped waves, plane-wave boselets, and other extended states in one-dimensional spin-orbit-coupled Bose-Einstein condensates with repulsive…
Rabi-induced localization and resonant delocalization of a binary condensate in a spin-asymmetric quasiperiodic potential
Swarup K. Sarkar, Sh. Mardonov, E. Ya. Sherman +1
We theoretically investigate the ground state and dynamics of a Rabi-coupled pseudospin-1/2 Bose-Einstein condensate, where only one spin component is subjected to an external pote…
Anomalous Energy Injection in the Gross-Pitaevskii Framework for Turbulence in Neutron Star Glitches
Anirudh Sivakumar, Pankaj Kumar Mishra, Ahmad A. Hujeirat +1
Neutron star glitches -- sudden increases in rotational frequency -- are thought to result from angular momentum transfer via quantized vortices in the superfluid core. To investig…
Excitation spectrum of vortex-lattice modes in a rotating condensate with a density-dependent gauge potential
Rony Boral, Swarup K. Sarkar, Matthew Edmonds +2
We investigate the collective excitation spectrum of a quasi-2D Bose-Einstein condensate trapped in a harmonic confinement with nonlinear rotation induced by a density-dependent ga…
Double unstable avoided crossings and complex domain patterns formation in spin-orbit coupled spin-1 condensates
Sanu Kumar Gangwar, Rajamanickam Ravisankar, Henrique Fabrelli +2
We analyze the impact of spin-orbit and Rabi couplings on the dynamical stability of spin-orbit-coupled spin-1 Bose-Einstein condensates for ferromagnetic (FM) and antiferromagneti…
Revealing turbulent Dark Matter via merging of self-Gravitating condensates
Anirudh Sivakumar, Pankaj Kumar Mishra, Ahmad A. Hujeirat +1
Self-gravitating condensates have been proposed as potential candidates for modelling dark matter. In this paper, we numerically investigate the dynamics of dark matter utilizing t…
Spin-dependent localization of spin-orbit and Rabi-coupled Bose-Einstein condensates in a random potential
Swarup K. Sarkar, Sh. Mardonov, E. Ya. Sherman +2
We investigate the effect of the spin-orbit (SO) and Rabi couplings on the localization of the spin-1/2 condensate trapped in a one-dimensional random potential. Our studies reveal…
Interaction imbalanced spin-orbit coupled quantum droplets
Sonali Gangwar, Rajamanickam Ravisankar, S. I. Mistakidis +2
We explore the ground states and quench dynamics of one-dimensional quantum droplets with spin-orbit coupling (SOC) and an imbalance in intracomponent interactions. A plethora of m…
Impurities induced vortex lattice melting and turbulence in rotating Bose-Einstein condensates
Rony Boral, Swarup K. Sarkar, Paulsamy Muruganandam +1
We investigate the impact of various impurities on rotating Bose-Einstein condensates confined within two-dimensional harmonic and optical lattice potentials. Without impurities, t…
Signature of localization-delocalization in collisional inhomogeneous spin-orbit coupled condensates
Swarup K. Sarkar, Rajamanickam Ravisankar, Tapan Mishra +2
We study the localization transition in spin-orbit (SO) coupled binary Bose-Einstein condensates (BECs) with collisional inhomogeneous interaction trapped in a one-dimensional quas…
Dynamic instabilities and turbulence of merged rotating Bose-Einstein condensates
Anirudh Sivakumar, Pankaj Kumar Mishra, Ahmad A. Hujeirat +1
We present the simulation results of merging harmonically confined rotating Bose-Einstein condensates in two dimensions. Merging of the condensate is triggered by positioning the r…
Emergence of unstable avoided crossing in the collective excitations of spin-1 spin-orbit coupled Bose-Einstein condensates
Sanu Kumar Gangwar, Rajamanickam Ravisankar, Henrique Fabrelli +2
We present the analytical and numerical results on the collective excitation spectrum of quasi-one-dimensional spin-orbit (SO) coupled spin-1 Bose-Einstein condensates. The collect…
Energy spectra and fluxes of turbulent rotating Bose-Einstein condensates in two dimensions
Anirudh Sivakumar, Pankaj Kumar Mishra, Ahmad A. Hujeirat +1
We investigate the scaling of the energy cascade in a harmonically trapped, turbulent, rotating Bose-Einstein condensate (BEC) in two dimensions. We achieve turbulence by injecting…