OpenMP GNU and Intel Fortran programs for solving the time-dependent Gross–Pitaevskii equation

LE Young-S, P Muruganandam, SK Adhikari… - Computer Physics …, 2017 - Elsevier
Abstract We present Open Multi-Processing (OpenMP) version of Fortran 90 programs for
solving the Gross–Pitaevskii (GP) equation for a Bose–Einstein condensate in one, two, and …

The harmonic oscillator potential perturbed by a combination of linear and non-linear Dirac delta interactions with application to Bose–Einstein condensation

C Akyüz, F Erman, H Uncu - Physica A: Statistical Mechanics and its …, 2024 - Elsevier
In this paper, we study the bound state analysis of a one dimensional nonlinear version of
the Schrödinger equation for the harmonic oscillator potential perturbed by a δ potential …

[HTML][HTML] Rogue waves for a (2+ 1)-dimensional Gross–Pitaevskii equation with time-varying trapping potential in the Bose–Einstein condensate

XY Wu, B Tian, QX Qu, YQ Yuan, XX Du - Computers & Mathematics with …, 2020 - Elsevier
Abstract The Bose–Einstein condensates (BECs) are seen during the studies in atomic
optics, cavity opto-mechanics, cavity quantum electrodynamics, black-hole astrophysics …

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 Role of Trap Anharmonicity in the Dynamics of a One-Dimensional Bose Gas Suddenly Released from a Power-Law Trap into a Box Potential

RR Sakhel, AR Sakhel - Journal of Low Temperature Physics, 2019 - Springer
The effects of trapping anharmonicity on the expansion of a Bose–Einstein condensate
(BEC) that is suddenly released from a one-dimensional power-law trap into a hard wall box …

Effect of trapping geometry on the parametric resonances in a disordered Bose–Einstein condensate driven by an oscillating potential

RR Sakhel, AR Sakhel - Journal of Physics: Condensed Matter, 2020 - iopscience.iop.org
We report parametric resonances (PRs) in a numerical investigation of a driven one-
dimensional, interacting, and disordered Bose–Einstein condensate (BEC) confined in …

Elements of Dynamics of a One-Dimensional Trapped Bose–Einstein Condensate Excited by a Time-Dependent Dimple: A Lagrangian Variational Approach

AR Sakhel, RR Sakhel - Journal of Low Temperature Physics, 2018 - Springer
We examine the dynamics of a one-dimensional harmonically trapped Bose–Einstein
condensate (BEC), induced by the addition of a dimple trap whose depth oscillates with …

Characterization of the energy level-structure of a trapped dipolar Bose gas via mean-field parametric resonances

AR Sakhel, RR Sakhel - Physica Scripta, 2021 - iopscience.iop.org
Analyzing the energy levels of a trapped Bose–Einstein condensate (BEC) can be difficult
when dipole-dipole interactions (DDIs) are present. To address this issue, this study focuses …