Effects of interaction on the diffusion of atomic matter waves in one-dimensional quasiperiodic potentials

M Larcher, F Dalfovo, M Modugno - … Review A—Atomic, Molecular, and Optical …, 2009 - APS
We study the behavior of an ultracold atomic gas of bosons in a bichromatic lattice, where
the weaker lattice is used as a source of disorder. We numerically solve a discretized mean …

Localization of a spin-orbit-coupled Bose-Einstein condensate in a bichromatic optical lattice

Y Cheng, G Tang, SK Adhikari - Physical Review A, 2014 - APS
We study the localization of a noninteracting and weakly interacting Bose-Einstein
condensate (BEC) with spin-orbit coupling loaded in a quasiperiodic bichromatic optical …

Disordered-quantum-walk-induced localization of a Bose-Einstein condensate

CM Chandrashekar - Physical Review A—Atomic, Molecular, and Optical …, 2011 - APS
We present an approach to induce localization of a Bose-Einstein condensate in a one-
dimensional lattice under the influence of unitary quantum-walk evolution using disordered …

Exact solutions for solitary waves in a Bose-Einstein condensate under the action of a four-color optical lattice

B Halder, S Ghosh, P Basu, J Bera, B Malomed, U Roy - Symmetry, 2021 - mdpi.com
We address dynamics of Bose-Einstein condensates (BECs) loaded into a one-dimensional
four-color optical lattice (FOL) potential with commensurate wavelengths and tunable …

Generation of higher harmonics in dipolar Bose–Einstein condensates trapped in periodically modulated potentials

J Bera, AQ Batin, S Ghosh… - … Transactions of the …, 2023 - royalsocietypublishing.org
We consider a quasi-one-dimensional Bose–Einstein condensate with contact and long-
range dipolar interactions, under the action of the time-periodic modulation applied to the …

Quench-induced chaotic dynamics of Anderson-localized interacting Bose-Einstein condensates in one dimension

SK Sarkar, T Mishra, P Muruganandam, PK Mishra - Physical Review A, 2023 - APS
We study the effect of atomic interaction on the localization and the associated dynamics of
Bose-Einstein condensates in a one-dimensional quasiperiodic optical lattice and random …

[HTML][HTML] Quantum simulation and Anderson localization in vector rogue waves of Bose-Einstein condensate

N Kundu, V Sau, S Ghosh, U Roy - Physics Letters A, 2024 - Elsevier
We report the existence of vector rogue waves in a coupled Bose-Einstein condensate,
trapped in a bichromatic optical lattice, which is an appropriate platform for quantum …

[HTML][HTML] Synergy between the negative absolute temperature and the external trap for a Bose-Einstein condensate under optical lattices

N Kundu, A Nath, J Bera, S Ghosh, U Roy - Physics Letters A, 2022 - Elsevier
We provide a generic but exact analytical model for realizing negative absolute temperature
in ultracold atoms under a quasi-periodic optical lattice (bi-chromatic) and an expulsive trap …

Localization of light waves in self-defocusing fractional systems confined by a random potential

MCP dos Santos, WB Cardoso - Nonlinear Dynamics, 2024 - Springer
In this letter, we investigate localized states within a fractional optical system featuring self-
defocusing Kerr nonlinearity influenced by a disordered lattice. Modulating the disordered …

Self-trapping of a Fermi superfluid in a double-well potential in the Bose-Einstein-condensate–unitarity crossover

SK Adhikari, H Lu, H Pu - Physical Review A—Atomic, Molecular, and Optical …, 2009 - APS
We derive a generalized Gross-Pitaevskii density-functional equation appropriate to study
the Bose-Einstein condensate (BEC) of dimers formed of singlet spin-half Fermi pairs in the …