Quantum turbulence in trapped atomic Bose–Einstein condensates

MC Tsatsos, PES Tavares, A Cidrim, AR Fritsch… - Physics Reports, 2016 - Elsevier
Turbulence, the complicated fluid behavior of nonlinear and statistical nature, arises in many
physical systems across various disciplines, from tiny laboratory scales to geophysical and …

[HTML][HTML] Performance of chaos diagnostics based on Lagrangian descriptors. Application to the 4D standard map

S Zimper, A Ngapasare, M Hillebrand… - Physica D: Nonlinear …, 2023 - Elsevier
We investigate the ability of simple diagnostics based on Lagrangian descriptor (LD)
computations of initially nearby orbits to detect chaos in conservative dynamical systems …

The Smaller (SALI) and the Generalized (GALI) alignment indices: Efficient methods of chaos detection

C Skokos, T Manos - Chaos Detection and Predictability, 2016 - Springer
We provide a concise presentation of the Smaller (SALI) and the Generalized Alignment
Index (GALI) methods of chaos detection. These are efficient chaos indicators based on the …

Computing stationary solutions of the two-dimensional Gross–Pitaevskii equation with deflated continuation

EG Charalampidis, PG Kevrekidis, PE Farrell - … in Nonlinear Science and …, 2018 - Elsevier
In this work we employ a recently proposed bifurcation analysis technique, the deflated
continuation algorithm, to compute steady-state solitary waveforms in a one-component, two …

Identifying localized and spreading chaos in nonlinear disordered lattices by the Generalized Alignment Index (GALI) method

B Senyange, C Skokos - Physica D: Nonlinear Phenomena, 2022 - Elsevier
Abstract Implementing the Generalized Alignment Index (GALI) method of chaos detection
we investigate the dynamical behavior of the nonlinear disordered Klein–Gordon lattice …

Periodic and quasi-periodic solutions of a four-dimensional singular differential system describing the motion of vortices

Z Liang, S Li, X Li - Advances in Nonlinear Analysis, 2023 - degruyter.com
In this article, we consider a four-dimensional singular differential system that can describe
the dynamics of configurations bearing a small number of vortices in atomic Bose-Einstein …

Generating and manipulating quantized vortices on-demand in a Bose-Einstein condensate: A numerical study

B Gertjerenken, PG Kevrekidis, R Carretero-Gonzalez… - Physical Review A, 2016 - APS
We numerically investigate an experimentally viable method for generating and
manipulating on-demand several vortices in a highly oblate atomic Bose-Einstein …

[PDF][PDF] GPUE: Graphics Processing Unit Gross--Pitaevskii Equation solver

JR Schloss, LJ O'Riordan - Journal of Open Source Software, 2018 - joss.theoj.org
Summary Bose–Einstein Condensates (BECs) are superfluid systems consisting of bosonic
atoms that have been cooled and condensed into a single, macroscopic ground state …

Superfluid vortex multipoles and soliton stripes on a torus

J D'Ambroise, R Carretero-González, P Schmelcher… - Physical Review A, 2022 - APS
We study the existence, stability, and dynamics of vortex dipole and quadrupole
configurations in the nonlinear Schrödinger (NLS) equation on the surface of a torus. For this …

Dynamics of Vortex Dipoles in Anisotropic Bose--Einstein Condensates

RH Goodman, PG Kevrekidis… - SIAM Journal on Applied …, 2015 - SIAM
We study the motion of a vortex dipole in a Bose--Einstein condensate confined to an
anisotropic trap. We focus on a system of ODEs describing the vortices' motion, which is in …