Metastable off-axis vortices in nonrotating Bose-Einstein condensates

We propose a scenario for studying vortices confined by nonrotating traps. For this purpose we model a polynomial trapping potential that can sustain locally stable off-axis vortices. We also describe a simple numerical method for generating vortices without relying on rotating frames or centrifugal...

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Detalles Bibliográficos
Autores principales:	Jezek, Dora Marta, Capuzzi, Pablo, Cataldo, Horacio Máximo
Publicado:	2008
Materias:	Electron traps Ground state Metastable phases Polynomials Vortex flow Off-axis vortices Polynomial trapping potential Vortex energy Bose-Einstein condensation
Acceso en línea:	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09534075_v41_n4_p_Jezek http://hdl.handle.net/20.500.12110/paper_09534075_v41_n4_p_Jezek
Aporte de:	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA) de Universidad de Buenos Aires

id	paper:paper_09534075_v41_n4_p_Jezek
record_format	dspace
spelling	paper:paper_09534075_v41_n4_p_Jezek2025-07-30T18:31:30Z Metastable off-axis vortices in nonrotating Bose-Einstein condensates Jezek, Dora Marta Capuzzi, Pablo Cataldo, Horacio Máximo Electron traps Ground state Metastable phases Polynomials Vortex flow Off-axis vortices Polynomial trapping potential Vortex energy Bose-Einstein condensation We propose a scenario for studying vortices confined by nonrotating traps. For this purpose we model a polynomial trapping potential that can sustain locally stable off-axis vortices. We also describe a simple numerical method for generating vortices without relying on rotating frames or centrifugal potential techniques. This method offers other advantages related to the control in the number of vortices to be generated and in their location. Finally, we compute the vortex energy as a function of its position using three approaches and discuss their validity. We show that a well-defined energy barrier between the vortex and the ground state is obtained. © 2008 IOP Publishing Ltd. Fil:Jezek, D.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Capuzzi, P. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. Fil:Cataldo, H.M. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales; Argentina. 2008 https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09534075_v41_n4_p_Jezek http://hdl.handle.net/20.500.12110/paper_09534075_v41_n4_p_Jezek
institution	Universidad de Buenos Aires
institution_str	I-28
repository_str	R-134
collection	Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
topic	Electron traps Ground state Metastable phases Polynomials Vortex flow Off-axis vortices Polynomial trapping potential Vortex energy Bose-Einstein condensation
spellingShingle	Electron traps Ground state Metastable phases Polynomials Vortex flow Off-axis vortices Polynomial trapping potential Vortex energy Bose-Einstein condensation Jezek, Dora Marta Capuzzi, Pablo Cataldo, Horacio Máximo Metastable off-axis vortices in nonrotating Bose-Einstein condensates
topic_facet	Electron traps Ground state Metastable phases Polynomials Vortex flow Off-axis vortices Polynomial trapping potential Vortex energy Bose-Einstein condensation
description	We propose a scenario for studying vortices confined by nonrotating traps. For this purpose we model a polynomial trapping potential that can sustain locally stable off-axis vortices. We also describe a simple numerical method for generating vortices without relying on rotating frames or centrifugal potential techniques. This method offers other advantages related to the control in the number of vortices to be generated and in their location. Finally, we compute the vortex energy as a function of its position using three approaches and discuss their validity. We show that a well-defined energy barrier between the vortex and the ground state is obtained. © 2008 IOP Publishing Ltd.
author	Jezek, Dora Marta Capuzzi, Pablo Cataldo, Horacio Máximo
author_facet	Jezek, Dora Marta Capuzzi, Pablo Cataldo, Horacio Máximo
author_sort	Jezek, Dora Marta
title	Metastable off-axis vortices in nonrotating Bose-Einstein condensates
title_short	Metastable off-axis vortices in nonrotating Bose-Einstein condensates
title_full	Metastable off-axis vortices in nonrotating Bose-Einstein condensates
title_fullStr	Metastable off-axis vortices in nonrotating Bose-Einstein condensates
title_full_unstemmed	Metastable off-axis vortices in nonrotating Bose-Einstein condensates
title_sort	metastable off-axis vortices in nonrotating bose-einstein condensates
publishDate	2008
url	https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09534075_v41_n4_p_Jezek http://hdl.handle.net/20.500.12110/paper_09534075_v41_n4_p_Jezek
work_keys_str_mv	AT jezekdoramarta metastableoffaxisvorticesinnonrotatingboseeinsteincondensates AT capuzzipablo metastableoffaxisvorticesinnonrotatingboseeinsteincondensates AT cataldohoraciomaximo metastableoffaxisvorticesinnonrotatingboseeinsteincondensates
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Metastable off-axis vortices in nonrotating Bose-Einstein condensates

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