Analytic vortex dynamics in an annular Bose-Einstein condensate

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dc.contributor.authorL. A. Toikka
dc.contributor.authorK.-A. Suominen
dc.contributor.organizationfi=kvanttioptiikan laboratorio|en=Laboratory of Quantum Optics|
dc.contributor.organization-code1.2.246.10.2458963.20.63398691327
dc.converis.publication-id3065790
dc.converis.urlhttps://research.utu.fi/converis/portal/Publication/3065790
dc.date.accessioned2022-10-28T13:11:11Z
dc.date.available2022-10-28T13:11:11Z
dc.description.abstract<p> We consider analytically the dynamics of an arbitrary number and configuration of vortices in an annular Bose-Einstein condensate obtaining expressions for the free energy and vortex precession rates to logarithmic accuracy. We also obtain lower bounds for the lifetime of a single vortex in the annulus. Our results enable a closed-form analytic treatment of vortex-vortex interactions in the annulus that is exact in the incompressible limit. The incompressible hydrodynamics that is developed here paves the way for more general analytical treatments of vortex dynamics in non-simply-connected geometries.</p>
dc.identifier.jour-issn1050-2947
dc.identifier.olddbid180318
dc.identifier.oldhandle10024/163412
dc.identifier.urihttps://www.utupub.fi/handle/11111/38322
dc.identifier.urnURN:NBN:fi-fe2021042715015
dc.language.isoen
dc.okm.affiliatedauthorSuominen, Kalle-Antti
dc.okm.discipline114 Physical sciencesen_GB
dc.okm.discipline114 Fysiikkafi_FI
dc.okm.internationalcopublicationinternational co-publication
dc.okm.internationalityInternational publication
dc.okm.typeA1 ScientificArticle
dc.publisherAMER PHYSICAL SOC
dc.publisher.countryUnited Statesen_GB
dc.publisher.countryYhdysvallat (USA)fi_FI
dc.publisher.country-codeUS
dc.relation.articlenumber53613
dc.relation.doi10.1103/PhysRevA.93.053613
dc.relation.ispartofjournalPhysical Review A
dc.relation.issue5
dc.relation.volume93
dc.source.identifierhttps://www.utupub.fi/handle/10024/163412
dc.titleAnalytic vortex dynamics in an annular Bose-Einstein condensate
dc.year.issued2016

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