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Numerical study of the spherically symmetric Gross-Pitaevskii equation in two space dimensions
(2000-08-01)
The Gross-Pitaevskii equation for Bose-Einstein condensation (BEC) in two space dimensions under the action of a harmonic oscillator trap potential for bosonic atoms with attractive and repulsive interparticle interactions ...
Oscilações não-lineares em condensados de Bose-Einstein
(Universidade Estadual Paulista (Unesp), 2004-10)
Estudamos as oscilações não-lineares de um condensado de Bose-Einstein em três dimensões numa armadilha com simetria esférica e com comprimento de espalhamento periódico no tempo. Usamos o método variacional dependente do ...
Estabilidade de sistemas condensados com interação atrativa ou repulsiva
(Universidade Estadual Paulista (Unesp), 2005-03)
Investigamos as soluções estacionárias e dinâmicas da equação de Gross-Pitaevskii generalizada para sistemas atômicos com um potencial confinante e termos não conservativos associados à dissipação e à alimentação atômica, ...
Estabilidade de sistemas condensados com interação atrativa ou repulsiva
(Universidade Estadual Paulista (Unesp), 2005-03)
Investigamos as soluções estacionárias e dinâmicas da equação de Gross-Pitaevskii generalizada para sistemas atômicos com um potencial confinante e termos não conservativos associados à dissipação e à alimentação atômica, ...
Fortran programs for the time-dependent Gross-Pitaevskii equation in a fully anisotropic trap
(Elsevier B.V., 2009-10-01)
Here we develop simple numerical algorithms for both stationary and non-stationary solutions of the time-dependent Gross-Pitaevskii (GP) equation describing the properties of Bose-Einstein condensates at ultra low temperatures. ...
Fortran programs for the time-dependent Gross-Pitaevskii equation in a fully anisotropic trap
(Elsevier B.V., 2009-10-01)
Here we develop simple numerical algorithms for both stationary and non-stationary solutions of the time-dependent Gross-Pitaevskii (GP) equation describing the properties of Bose-Einstein condensates at ultra low temperatures. ...
Free expansion of attractive and repulsive Bose-Einstein condensed vortex states
(2002-03-01)
A numerical study of the time-dependent Gross-Pitaevskii equation for an axially symmetric trap to obtain insight into the free expansion of vortex states of BEC is presented. As such, the ratio of vortex-core radius to ...
Deep inelastic collision of two-dimensional anisotropic dipolar condensate solitons
(2022-03-01)
The possibility of generating stable anisotropic solitons in dipolar Bose–Einstein condensates (BECs) leads to a different scenario not possible in a nondipolar BEC with contact interaction. We study the statics and dynamics ...
Hybrid OpenMP/MPI programs for solving the time-dependent Gross–Pitaevskii equation in a fully anisotropic trap
(2016-03-01)
We present hybrid OpenMP/MPI (Open Multi-Processing/Message Passing Interface) parallelized versions of earlier published C programs (Vudragovic et al. 2012) for calculating both stationary and non-stationary solutions of ...