Fortran and C programs for the time-dependent dipolar Gross-Pitaevskii equation in an anisotropic trap
Autor(a) principal: | |
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Data de Publicação: | 2015 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1016/j.cpc.2015.03.024 http://hdl.handle.net/11449/171896 |
Resumo: | 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 nonlinear partial differential equation for short-range atomic interaction. More recently, BEC of atoms with long-range dipolar atomic interaction are used in theoretical and experimental studies. For dipolar atomic interaction, the GP equation is a partial integro-differential equation, requiring complex algorithm for its numerical solution. Here we present numerical algorithms for both stationary and non-stationary solutions of the full three-dimensional (3D) GP equation for a dipolar BEC, including the contact interaction. We also consider the simplified one- (1D) and two-dimensional (2D) GP equations satisfied by cigar- and disk-shaped dipolar BECs. We employ the split-step Crank-Nicolson method with real- and imaginary-time propagations, respectively, for the numerical solution of the GP equation for dynamic and static properties of a dipolar BEC. The atoms are considered to be polarized along the z axis and we consider ten different cases, e.g., stationary and non-stationary solutions of the GP equation for a dipolar BEC in 1D (along x and z axes), 2D (in x-y and x-z planes), and 3D, and we provide working codes in Fortran 90/95 and C for these ten cases (twenty programs in all). We present numerical results for energy, chemical potential, root-mean-square sizes and density of the dipolar BECs and, where available, compare them with results of other authors and of variational and Thomas-Fermi approximations. |
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Fortran and C programs for the time-dependent dipolar Gross-Pitaevskii equation in an anisotropic trapBose-Einstein condensateDipolar atomsFortran and C programsGross-Pitaevskii equationReal- and imaginary-time propagationSplit-step Crank-Nicolson schemeMany 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 nonlinear partial differential equation for short-range atomic interaction. More recently, BEC of atoms with long-range dipolar atomic interaction are used in theoretical and experimental studies. For dipolar atomic interaction, the GP equation is a partial integro-differential equation, requiring complex algorithm for its numerical solution. Here we present numerical algorithms for both stationary and non-stationary solutions of the full three-dimensional (3D) GP equation for a dipolar BEC, including the contact interaction. We also consider the simplified one- (1D) and two-dimensional (2D) GP equations satisfied by cigar- and disk-shaped dipolar BECs. We employ the split-step Crank-Nicolson method with real- and imaginary-time propagations, respectively, for the numerical solution of the GP equation for dynamic and static properties of a dipolar BEC. The atoms are considered to be polarized along the z axis and we consider ten different cases, e.g., stationary and non-stationary solutions of the GP equation for a dipolar BEC in 1D (along x and z axes), 2D (in x-y and x-z planes), and 3D, and we provide working codes in Fortran 90/95 and C for these ten cases (twenty programs in all). We present numerical results for energy, chemical potential, root-mean-square sizes and density of the dipolar BECs and, where available, compare them with results of other authors and of variational and Thomas-Fermi approximations.Council of Scientific and Industrial ResearchFundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Instituto de Física, Universidade de São PauloInstituto de Física Teórica, UNESP - Universidade Estadual PaulistaScientific Computing Laboratory, Institute of Physics Belgrade, University of Belgrade, Pregrevica 118School of Physics, Bharathidasan University, Palkalaiperur CampusInstituto de Física Teórica, UNESP - Universidade Estadual PaulistaUniversidade de São Paulo (USP)Universidade Estadual Paulista (Unesp)Scientific Computing Laboratory, Institute of Physics Belgrade, University of BelgradeSchool of Physics, Bharathidasan University, Palkalaiperur CampusKumar, R. KishorYoung-S., Luis E. [UNESP]Vudragović, DušanBalaž, AntunMuruganandam, PaulsamyAdhikari, S. K. [UNESP]2018-12-11T16:57:37Z2018-12-11T16:57:37Z2015-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article117-128application/pdfhttp://dx.doi.org/10.1016/j.cpc.2015.03.024Computer Physics Communications, v. 195, p. 117-128.0010-4655http://hdl.handle.net/11449/17189610.1016/j.cpc.2015.03.0242-s2.0-849321952082-s2.0-84932195208.pdfScopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengComputer Physics Communications1,729info:eu-repo/semantics/openAccess2023-11-16T06:13:32Zoai:repositorio.unesp.br:11449/171896Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462023-11-16T06:13:32Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Fortran and C programs for the time-dependent dipolar Gross-Pitaevskii equation in an anisotropic trap |
title |
Fortran and C programs for the time-dependent dipolar Gross-Pitaevskii equation in an anisotropic trap |
spellingShingle |
Fortran and C programs for the time-dependent dipolar Gross-Pitaevskii equation in an anisotropic trap Kumar, R. Kishor Bose-Einstein condensate Dipolar atoms Fortran and C programs Gross-Pitaevskii equation Real- and imaginary-time propagation Split-step Crank-Nicolson scheme |
title_short |
Fortran and C programs for the time-dependent dipolar Gross-Pitaevskii equation in an anisotropic trap |
title_full |
Fortran and C programs for the time-dependent dipolar Gross-Pitaevskii equation in an anisotropic trap |
title_fullStr |
Fortran and C programs for the time-dependent dipolar Gross-Pitaevskii equation in an anisotropic trap |
title_full_unstemmed |
Fortran and C programs for the time-dependent dipolar Gross-Pitaevskii equation in an anisotropic trap |
title_sort |
Fortran and C programs for the time-dependent dipolar Gross-Pitaevskii equation in an anisotropic trap |
author |
Kumar, R. Kishor |
author_facet |
Kumar, R. Kishor Young-S., Luis E. [UNESP] Vudragović, Dušan Balaž, Antun Muruganandam, Paulsamy Adhikari, S. K. [UNESP] |
author_role |
author |
author2 |
Young-S., Luis E. [UNESP] Vudragović, Dušan Balaž, Antun Muruganandam, Paulsamy Adhikari, S. K. [UNESP] |
author2_role |
author author author author author |
dc.contributor.none.fl_str_mv |
Universidade de São Paulo (USP) Universidade Estadual Paulista (Unesp) Scientific Computing Laboratory, Institute of Physics Belgrade, University of Belgrade School of Physics, Bharathidasan University, Palkalaiperur Campus |
dc.contributor.author.fl_str_mv |
Kumar, R. Kishor Young-S., Luis E. [UNESP] Vudragović, Dušan Balaž, Antun Muruganandam, Paulsamy Adhikari, S. K. [UNESP] |
dc.subject.por.fl_str_mv |
Bose-Einstein condensate Dipolar atoms Fortran and C programs Gross-Pitaevskii equation Real- and imaginary-time propagation Split-step Crank-Nicolson scheme |
topic |
Bose-Einstein condensate Dipolar atoms Fortran and C programs Gross-Pitaevskii equation Real- and imaginary-time propagation Split-step Crank-Nicolson scheme |
description |
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 nonlinear partial differential equation for short-range atomic interaction. More recently, BEC of atoms with long-range dipolar atomic interaction are used in theoretical and experimental studies. For dipolar atomic interaction, the GP equation is a partial integro-differential equation, requiring complex algorithm for its numerical solution. Here we present numerical algorithms for both stationary and non-stationary solutions of the full three-dimensional (3D) GP equation for a dipolar BEC, including the contact interaction. We also consider the simplified one- (1D) and two-dimensional (2D) GP equations satisfied by cigar- and disk-shaped dipolar BECs. We employ the split-step Crank-Nicolson method with real- and imaginary-time propagations, respectively, for the numerical solution of the GP equation for dynamic and static properties of a dipolar BEC. The atoms are considered to be polarized along the z axis and we consider ten different cases, e.g., stationary and non-stationary solutions of the GP equation for a dipolar BEC in 1D (along x and z axes), 2D (in x-y and x-z planes), and 3D, and we provide working codes in Fortran 90/95 and C for these ten cases (twenty programs in all). We present numerical results for energy, chemical potential, root-mean-square sizes and density of the dipolar BECs and, where available, compare them with results of other authors and of variational and Thomas-Fermi approximations. |
publishDate |
2015 |
dc.date.none.fl_str_mv |
2015-01-01 2018-12-11T16:57:37Z 2018-12-11T16:57:37Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.1016/j.cpc.2015.03.024 Computer Physics Communications, v. 195, p. 117-128. 0010-4655 http://hdl.handle.net/11449/171896 10.1016/j.cpc.2015.03.024 2-s2.0-84932195208 2-s2.0-84932195208.pdf |
url |
http://dx.doi.org/10.1016/j.cpc.2015.03.024 http://hdl.handle.net/11449/171896 |
identifier_str_mv |
Computer Physics Communications, v. 195, p. 117-128. 0010-4655 10.1016/j.cpc.2015.03.024 2-s2.0-84932195208 2-s2.0-84932195208.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Computer Physics Communications 1,729 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
117-128 application/pdf |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
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1797789725991370752 |