Phase slippage and self-trapping in a self-induced bosonic Josephson junction

Autores
Abad, Manuel; Guilleumas, M.; Mayol, R.; Pi, M.; Jezek, Dora Marta
Año de publicación
2011
Idioma
inglés
Tipo de recurso
artículo
Estado
versión publicada
Descripción
A dipolar condensate confined in a toroidal trap constitutes a self-induced Josephson junction when the dipoles are oriented perpendicularly to the trap symmetry axis and the s-wave scattering length is small enough. The ring-shaped double-well potential coming from the anisotropic character of the mean-field dipolar interaction is robust enough to sustain self-trapping dynamics, which takes place when the initial population imbalance between the two wells is large. We show that, in this system, the self-trapping regime is directly related to a vortex-induced phase-slip dynamics. A vortex and antivortex are spontaneously nucleated in the low-density regions before a minimum of the population imbalance is reached and then cross the toroidal section in opposite directions through the junctions. This vortex dynamics yields a phase slip between the two weakly linked condensates causing an inversion of the particle flux. © 2011 American Physical Society.
Fil: Abad, Manuel. Universidad de Barcelona; España
Fil: Guilleumas, M.. Universidad de Barcelona; España
Fil: Mayol, R.. Universidad de Barcelona; España
Fil: Pi, M.. Universidad de Barcelona; España
Fil: Jezek, Dora Marta. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
Materia
Dipolar Condensate
Self-Trapping
Vortex
Toroidal Trap
Nivel de accesibilidad
acceso abierto
Condiciones de uso
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
Repositorio
CONICET Digital (CONICET)
Institución
Consejo Nacional de Investigaciones Científicas y Técnicas
OAI Identificador
oai:ri.conicet.gov.ar:11336/57150
Acceder
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network_name_str CONICET Digital (CONICET)
spelling Phase slippage and self-trapping in a self-induced bosonic Josephson junctionAbad, ManuelGuilleumas, M.Mayol, R.Pi, M.Jezek, Dora MartaDipolar CondensateSelf-TrappingVortexToroidal Traphttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1A dipolar condensate confined in a toroidal trap constitutes a self-induced Josephson junction when the dipoles are oriented perpendicularly to the trap symmetry axis and the s-wave scattering length is small enough. The ring-shaped double-well potential coming from the anisotropic character of the mean-field dipolar interaction is robust enough to sustain self-trapping dynamics, which takes place when the initial population imbalance between the two wells is large. We show that, in this system, the self-trapping regime is directly related to a vortex-induced phase-slip dynamics. A vortex and antivortex are spontaneously nucleated in the low-density regions before a minimum of the population imbalance is reached and then cross the toroidal section in opposite directions through the junctions. This vortex dynamics yields a phase slip between the two weakly linked condensates causing an inversion of the particle flux. © 2011 American Physical Society.Fil: Abad, Manuel. Universidad de Barcelona; EspañaFil: Guilleumas, M.. Universidad de Barcelona; EspañaFil: Mayol, R.. Universidad de Barcelona; EspañaFil: Pi, M.. Universidad de Barcelona; EspañaFil: Jezek, Dora Marta. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; ArgentinaAmerican Physical Society2011-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/57150Abad, Manuel; Guilleumas, M.; Mayol, R.; Pi, M.; Jezek, Dora Marta; Phase slippage and self-trapping in a self-induced bosonic Josephson junction; American Physical Society; Physical Review A: Atomic, Molecular and Optical Physics; 84; 3; 9-2011; 356011-3560141050-2947CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/pra/abstract/10.1103/PhysRevA.84.035601info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevA.84.035601info:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-sa/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-03T09:53:44Zoai:ri.conicet.gov.ar:11336/57150instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-03 09:53:45.115CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse
dc.title.none.fl_str_mv Phase slippage and self-trapping in a self-induced bosonic Josephson junction
title Phase slippage and self-trapping in a self-induced bosonic Josephson junction
spellingShingle Phase slippage and self-trapping in a self-induced bosonic Josephson junction
Abad, Manuel
Dipolar Condensate
Self-Trapping
Vortex
Toroidal Trap
title_short Phase slippage and self-trapping in a self-induced bosonic Josephson junction
title_full Phase slippage and self-trapping in a self-induced bosonic Josephson junction
title_fullStr Phase slippage and self-trapping in a self-induced bosonic Josephson junction
title_full_unstemmed Phase slippage and self-trapping in a self-induced bosonic Josephson junction
title_sort Phase slippage and self-trapping in a self-induced bosonic Josephson junction
dc.creator.none.fl_str_mv Abad, Manuel
Guilleumas, M.
Mayol, R.
Pi, M.
Jezek, Dora Marta
author Abad, Manuel
author_facet Abad, Manuel
Guilleumas, M.
Mayol, R.
Pi, M.
Jezek, Dora Marta
author_role author
author2 Guilleumas, M.
Mayol, R.
Pi, M.
Jezek, Dora Marta
author2_role author
author
author
author
dc.subject.none.fl_str_mv Dipolar Condensate
Self-Trapping
Vortex
Toroidal Trap
topic Dipolar Condensate
Self-Trapping
Vortex
Toroidal Trap
purl_subject.fl_str_mv https://purl.org/becyt/ford/1.3
https://purl.org/becyt/ford/1
dc.description.none.fl_txt_mv A dipolar condensate confined in a toroidal trap constitutes a self-induced Josephson junction when the dipoles are oriented perpendicularly to the trap symmetry axis and the s-wave scattering length is small enough. The ring-shaped double-well potential coming from the anisotropic character of the mean-field dipolar interaction is robust enough to sustain self-trapping dynamics, which takes place when the initial population imbalance between the two wells is large. We show that, in this system, the self-trapping regime is directly related to a vortex-induced phase-slip dynamics. A vortex and antivortex are spontaneously nucleated in the low-density regions before a minimum of the population imbalance is reached and then cross the toroidal section in opposite directions through the junctions. This vortex dynamics yields a phase slip between the two weakly linked condensates causing an inversion of the particle flux. © 2011 American Physical Society.
Fil: Abad, Manuel. Universidad de Barcelona; España
Fil: Guilleumas, M.. Universidad de Barcelona; España
Fil: Mayol, R.. Universidad de Barcelona; España
Fil: Pi, M.. Universidad de Barcelona; España
Fil: Jezek, Dora Marta. Universidad de Buenos Aires; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Física de Buenos Aires. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Física de Buenos Aires; Argentina
description A dipolar condensate confined in a toroidal trap constitutes a self-induced Josephson junction when the dipoles are oriented perpendicularly to the trap symmetry axis and the s-wave scattering length is small enough. The ring-shaped double-well potential coming from the anisotropic character of the mean-field dipolar interaction is robust enough to sustain self-trapping dynamics, which takes place when the initial population imbalance between the two wells is large. We show that, in this system, the self-trapping regime is directly related to a vortex-induced phase-slip dynamics. A vortex and antivortex are spontaneously nucleated in the low-density regions before a minimum of the population imbalance is reached and then cross the toroidal section in opposite directions through the junctions. This vortex dynamics yields a phase slip between the two weakly linked condensates causing an inversion of the particle flux. © 2011 American Physical Society.
publishDate 2011
dc.date.none.fl_str_mv 2011-09
dc.type.none.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
http://purl.org/coar/resource_type/c_6501
info:ar-repo/semantics/articulo
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/11336/57150
Abad, Manuel; Guilleumas, M.; Mayol, R.; Pi, M.; Jezek, Dora Marta; Phase slippage and self-trapping in a self-induced bosonic Josephson junction; American Physical Society; Physical Review A: Atomic, Molecular and Optical Physics; 84; 3; 9-2011; 356011-356014
1050-2947
CONICET Digital
CONICET
url http://hdl.handle.net/11336/57150
identifier_str_mv Abad, Manuel; Guilleumas, M.; Mayol, R.; Pi, M.; Jezek, Dora Marta; Phase slippage and self-trapping in a self-induced bosonic Josephson junction; American Physical Society; Physical Review A: Atomic, Molecular and Optical Physics; 84; 3; 9-2011; 356011-356014
1050-2947
CONICET Digital
CONICET
dc.language.none.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv info:eu-repo/semantics/altIdentifier/url/https://journals.aps.org/pra/abstract/10.1103/PhysRevA.84.035601
info:eu-repo/semantics/altIdentifier/doi/10.1103/PhysRevA.84.035601
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
eu_rights_str_mv openAccess
rights_invalid_str_mv https://creativecommons.org/licenses/by-nc-sa/2.5/ar/
dc.format.none.fl_str_mv application/pdf
application/pdf
dc.publisher.none.fl_str_mv American Physical Society
publisher.none.fl_str_mv American Physical Society
dc.source.none.fl_str_mv reponame:CONICET Digital (CONICET)
instname:Consejo Nacional de Investigaciones Científicas y Técnicas
reponame_str CONICET Digital (CONICET)
collection CONICET Digital (CONICET)
instname_str Consejo Nacional de Investigaciones Científicas y Técnicas
repository.name.fl_str_mv CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas
repository.mail.fl_str_mv dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar
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score 13.13397

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