C programs for solving the time-dependent Gross–Pitaevskii equation in a fully anisotropic trap

D Vudragović, I Vidanović, A Balaž… - Computer Physics …, 2012 - Elsevier
We present C programming language versions of earlier published Fortran programs
(Muruganandam and Adhikari (2009)[1]) for calculating both stationary and non-stationary …

Fortran and C programs for the time-dependent dipolar Gross–Pitaevskii equation in an anisotropic trap

RK Kumar, LE Young-S, D Vudragović, A Balaž… - Computer Physics …, 2015 - Elsevier
Many of the static and dynamic properties of an atomic Bose–Einstein condensate (BEC) are
usually studied by solving the mean-field Gross–Pitaevskii (GP) equation, which is a …

[HTML][HTML] Dynamical excitation of spin-orbit coupled spin-1 Bose-Einstein condensate in a narrow box trap

QL Zhu, L Pan - Physics Letters A, 2023 - Elsevier
We demonstrate the dynamics of a spin-1 ferromagnetic Bose-Einstein condensate (BEC)
with Rashba spin-orbit (SO) coupling in a narrow square box trap when an obstacle …

A Lawson-time-splitting extended Fourier pseudospectral method for the Gross-Pitaevskii equation with time-dependent low regularity potential

B Lin, Y Ma, C Wang - Journal of Computational Physics, 2024 - Elsevier
We propose a Lawson-time-splitting extended Fourier pseudospectral (LTSeFP) method for
the numerical integration of the Gross-Pitaevskii equation with time-dependent potential that …

Nonequilibrium dynamics of a Bose-Einstein condensate excited by a red laser inside a power-law trap with hard walls

RR Sakhel, AR Sakhel, HB Ghassib - Journal of Low Temperature Physics, 2013 - Springer
We explore the nonequilibrium dynamics of a two-dimensional trapped Bose-Einstein
condensate excited by a moving red-detuned laser potential. The trap is a combination of a …

Unpredictable condensate–depletion dynamics in one-dimensional power-law traps

AR Sakhel, RR Sakhel - Journal of Physics: Condensed Matter, 2022 - iopscience.iop.org
The dynamic depletion of a trapped one-dimensional Bose–Einstein condensate (BEC) that
is driven by laser stirring is numerically explored using beyond mean-field methods. For this …

Conditions for order and chaos in the dynamics of a trapped Bose-Einstein condensate in coordinate and energy space

RR Sakhel, AR Sakhel, HB Ghassib, A Balaz - The European Physical …, 2016 - Springer
We investigate numerically conditions for order and chaos in the dynamics of an interacting
Bose-Einstein condensate (BEC) confined by an external trap cut off by a hard-wall box …

Application of the Lagrangian variational method to a one-dimensional Bose gas in a dimple trap

RR Sakhel, AR Sakhel - Journal of Physics B: Atomic, Molecular …, 2017 - iopscience.iop.org
We present an application of the Lagrangian variational method (LVM) to study the small-
oscillation dynamics and ground-state properties of an interacting Bose gas in a one …

Elements of Vortex-Dipole Dynamics in a Nonuniform Bose–Einstein Condensate

RR Sakhel, AR Sakhel - Journal of Low Temperature Physics, 2016 - Springer
The elements of the vortex-dipole (VD) dynamics are numerically examined in a nonuniform
Bose–Einstein condensate (BEC) using the time-dependent Gross–Pitaevskii equation that …

On the phase-correlation and phase-fluctuation dynamics of a strongly excited Bose gas

RR Sakhel, AR Sakhel, HB Ghassib - Physica B: Condensed Matter, 2015 - Elsevier
The dynamics of a Bose–Einstein condensate (BEC) is explored in the wake of a violent
excitation caused by a strong time-dependent deformation of a trapping potential under the …