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AuthorWalser, Reinholddc.contributor.author
AuthorGoldobin, Edc.contributor.author
AuthorCrasser, Oliverdc.contributor.author
AuthorKoelle, Ddc.contributor.author
AuthorKleiner, Rdc.contributor.author
AuthorSchleich, Wolfgang P.dc.contributor.author
Date of accession2022-04-04T11:53:05Zdc.date.accessioned
Available in OPARU since2022-04-04T11:53:05Zdc.date.available
Date of first publication2008-04-30dc.date.issued
AbstractJosephson junctions (JJs) and junction arrays are well-studied devices in superconductivity. With external magnetic fields one can modulate the phase in a long junction and create traveling, solitonic waves of magnetic flux, called fluxons. Today, it is also possible to devise two different types of junctions: depending on the sign of the critical current density , they are called 0- or π-junctions. In turn, a 0–π junction is formed by joining two of these junctions. As a result, one obtains a pinned Josephson vortex of fractional magnetic flux, at the 0–π boundary. Here, we analyze this arrangement of superconducting junctions in the context of an atomic bosonic quantum gas, where two-state atoms in a double well trap are coupled in an analogous fashion. There, an all-optical 0–π JJ is created by the phase of a complex valued Rabi frequency and we derive a discrete four-mode model for this situation, which qualitatively resembles a semifluxon.dc.description.abstract
Languageendc.language.iso
PublisherUniversität Ulmdc.publisher
LicenseCC BY 4.0 Internationaldc.rights
Link to license texthttps://creativecommons.org/licenses/by/4.0/dc.rights.uri
Dewey Decimal GroupDDC 530 / Physicsdc.subject.ddc
LCSHJosephson junctionsdc.subject.lcsh
LCSHCold atomsdc.subject.lcsh
TitleSemifluxons in superconductivity and cold atomic gasesdc.title
Resource typeWissenschaftlicher Artikeldc.type
SWORD Date2022-02-09T12:30:14Zdc.date.updated
VersionpublishedVersiondc.description.version
DOIhttp://dx.doi.org/10.18725/OPARU-42727dc.identifier.doi
URNhttp://nbn-resolving.de/urn:nbn:de:bsz:289-oparu-42803-3dc.identifier.urn
GNDJosephson-Kontaktdc.subject.gnd
GNDFlussschlauchdc.subject.gnd
FacultyFakultät für Naturwissenschaftenuulm.affiliationGeneral
InstitutionInstitut für Quantenphysikuulm.affiliationSpecific
Peer reviewjauulm.peerReview
DCMI TypeCollectionuulm.typeDCMI
CategoryPublikationenuulm.category
In cooperation withEberhard Karls Universität Tübingenuulm.cooperation
DOI of original publication10.1088/1367-2630/10/4/045020dc.relation1.doi
Source - Title of sourceNew Journal of Physicssource.title
Source - Place of publicationIOP Publishingsource.publisher
Source - Volume10source.volume
Source - Issue4source.issue
Source - Year2008source.year
Source - Article number045020source.articleNumber
Source - eISSN1367-2630source.identifier.eissn
WoS000255793600019uulm.identifier.wos
Bibliographyuulmuulm.bibliographie
DFG project uulmTRR 21 Teilprojekt B05 / Nichtgleichgewichtsdynamik atomarer Gase in Fallenpotentialen mit kontrollierbaren geometrischen Formen / DFG / 5486344uulm.projectDFG
Project uulmLandesstiftung Baden-Württemberg / 0904Atom14uulm.projectOther


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