Breakup of rotating asymmetric quartic-quadratic trapped condensates
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.1103/PhysRevA.102.063330 http://hdl.handle.net/11449/209830 |
Resumo: | The threshold conditions for a rotating pancakelike asymmetric quartic-quadratic confined condensate to break in two localized fragments, as well as to produce a giant vortex at the center within the vortex-pattern distributions, are investigated within the Thomas-Fermi (TF) approximation and full-numerical solution of the corresponding Gross-Pitaevskii (GP) formalism. By comparing the TF predictions with the GP solutions, in our investigation with two different quartic-quadratic trap geometries, of particular relevance is to observe that the TF approach is not only very useful to display the averaged density distribution, but also quite realistic in establishing the critical rotational conditions for the breakup occurrence and possible giant-vortex formation. It provides almost exact results to define the contour of the condensate distribution, even for high rotating systems, after the system split into two (still confined) clouds. The applicability of the Feynman rule to the vortex distribution (full-numerical GP solutions) is also being confirmed for these nonhomogeneous asymmetric trap configurations. This study is expected to be relevant for manipulating the rotation and trap parameters in addition to Feshbach resonance techniques. It can also be helpful to define initial conditions for any further studies on the dynamical evolution of vortex pattern distributions. |
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spelling |
Breakup of rotating asymmetric quartic-quadratic trapped condensatesThe threshold conditions for a rotating pancakelike asymmetric quartic-quadratic confined condensate to break in two localized fragments, as well as to produce a giant vortex at the center within the vortex-pattern distributions, are investigated within the Thomas-Fermi (TF) approximation and full-numerical solution of the corresponding Gross-Pitaevskii (GP) formalism. By comparing the TF predictions with the GP solutions, in our investigation with two different quartic-quadratic trap geometries, of particular relevance is to observe that the TF approach is not only very useful to display the averaged density distribution, but also quite realistic in establishing the critical rotational conditions for the breakup occurrence and possible giant-vortex formation. It provides almost exact results to define the contour of the condensate distribution, even for high rotating systems, after the system split into two (still confined) clouds. The applicability of the Feynman rule to the vortex distribution (full-numerical GP solutions) is also being confirmed for these nonhomogeneous asymmetric trap configurations. This study is expected to be relevant for manipulating the rotation and trap parameters in addition to Feshbach resonance techniques. It can also be helpful to define initial conditions for any further studies on the dynamical evolution of vortex pattern distributions.Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)Univ Sao Paulo, Inst Fis, BR-05508090 Sao Paulo, BrazilUniv Estadual Paulista, Inst Fis Teor, BR-01156970 Sao Paulo, SP, BrazilUniv Estadual Paulista, Inst Fis Teor, BR-01156970 Sao Paulo, SP, BrazilFAPESP: 2018/02737-4FAPESP: 2017/05660-0FAPESP: 2016/17612-7CNPq: 304469-2019-0CNPq: 306920/20182CAPES: 88887.374855/2019-00Amer Physical SocUniversidade de São Paulo (USP)Universidade Estadual Paulista (Unesp)Brito, LeonardoAndriati, AlexTomio, Lauro [UNESP]Gammal, Arnaldo2021-06-25T12:30:43Z2021-06-25T12:30:43Z2020-12-29info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article13http://dx.doi.org/10.1103/PhysRevA.102.063330Physical Review A. College Pk: Amer Physical Soc, v. 102, n. 6, 13 p., 2020.2469-9926http://hdl.handle.net/11449/20983010.1103/PhysRevA.102.063330WOS:000603361400007Web of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengPhysical Review Ainfo:eu-repo/semantics/openAccess2021-10-23T19:50:03Zoai:repositorio.unesp.br:11449/209830Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T22:15:34.995082Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Breakup of rotating asymmetric quartic-quadratic trapped condensates |
title |
Breakup of rotating asymmetric quartic-quadratic trapped condensates |
spellingShingle |
Breakup of rotating asymmetric quartic-quadratic trapped condensates Brito, Leonardo |
title_short |
Breakup of rotating asymmetric quartic-quadratic trapped condensates |
title_full |
Breakup of rotating asymmetric quartic-quadratic trapped condensates |
title_fullStr |
Breakup of rotating asymmetric quartic-quadratic trapped condensates |
title_full_unstemmed |
Breakup of rotating asymmetric quartic-quadratic trapped condensates |
title_sort |
Breakup of rotating asymmetric quartic-quadratic trapped condensates |
author |
Brito, Leonardo |
author_facet |
Brito, Leonardo Andriati, Alex Tomio, Lauro [UNESP] Gammal, Arnaldo |
author_role |
author |
author2 |
Andriati, Alex Tomio, Lauro [UNESP] Gammal, Arnaldo |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Universidade de São Paulo (USP) Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Brito, Leonardo Andriati, Alex Tomio, Lauro [UNESP] Gammal, Arnaldo |
description |
The threshold conditions for a rotating pancakelike asymmetric quartic-quadratic confined condensate to break in two localized fragments, as well as to produce a giant vortex at the center within the vortex-pattern distributions, are investigated within the Thomas-Fermi (TF) approximation and full-numerical solution of the corresponding Gross-Pitaevskii (GP) formalism. By comparing the TF predictions with the GP solutions, in our investigation with two different quartic-quadratic trap geometries, of particular relevance is to observe that the TF approach is not only very useful to display the averaged density distribution, but also quite realistic in establishing the critical rotational conditions for the breakup occurrence and possible giant-vortex formation. It provides almost exact results to define the contour of the condensate distribution, even for high rotating systems, after the system split into two (still confined) clouds. The applicability of the Feynman rule to the vortex distribution (full-numerical GP solutions) is also being confirmed for these nonhomogeneous asymmetric trap configurations. This study is expected to be relevant for manipulating the rotation and trap parameters in addition to Feshbach resonance techniques. It can also be helpful to define initial conditions for any further studies on the dynamical evolution of vortex pattern distributions. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-12-29 2021-06-25T12:30:43Z 2021-06-25T12:30:43Z |
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/10.1103/PhysRevA.102.063330 Physical Review A. College Pk: Amer Physical Soc, v. 102, n. 6, 13 p., 2020. 2469-9926 http://hdl.handle.net/11449/209830 10.1103/PhysRevA.102.063330 WOS:000603361400007 |
url |
http://dx.doi.org/10.1103/PhysRevA.102.063330 http://hdl.handle.net/11449/209830 |
identifier_str_mv |
Physical Review A. College Pk: Amer Physical Soc, v. 102, n. 6, 13 p., 2020. 2469-9926 10.1103/PhysRevA.102.063330 WOS:000603361400007 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Physical Review A |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
13 |
dc.publisher.none.fl_str_mv |
Amer Physical Soc |
publisher.none.fl_str_mv |
Amer Physical Soc |
dc.source.none.fl_str_mv |
Web of Science 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 |
|
_version_ |
1808129410227765248 |