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Article: Order parameters and current-phase relations in 3He-B Josephson junctions through a porous layer

TitleOrder parameters and current-phase relations in 3He-B Josephson junctions through a porous layer
Authors
KeywordsPhysics
Issue Date2001
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2001, v. 64 n. 21, p. 2145011-2145016 How to Cite?
AbstractRecent discoveries of the π states in 3He-B Josephson junctions through an array of apertures and a single aperture have aroused much theoretical interest on the mechanism of π states. Both tunneling junction and single orifice junction models were successfully applied to explain the occurrence of π states and their relationship with the texture orientations of n̂ vectors in two 3He-B reservoirs. In this paper, we study a model 3He-B Josephson junction through a porous layer. The order parameters and current-phase relations are calculated self-consistently using the quasiclassical theory. In agreement with previous theories, the π state is also observed when the n̂'s are aligned antiparallel and normal to the porous layer. In this model, however, the π state exists only when the coupling between two 3He-B reservoirs is strong, and the usual 0 state is present when the coupling diminishes. Being contrary to the single aperture case, the π state in our model is robust only when the magnetic field is aligned either nearly normal to or within the porous layer.
Persistent Identifierhttp://hdl.handle.net/10722/43349
ISSN
2001 Impact Factor: 3.07
References

 

DC FieldValueLanguage
dc.contributor.authorZhang, Wen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2007-03-23T04:44:03Z-
dc.date.available2007-03-23T04:44:03Z-
dc.date.issued2001en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2001, v. 64 n. 21, p. 2145011-2145016en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43349-
dc.description.abstractRecent discoveries of the π states in 3He-B Josephson junctions through an array of apertures and a single aperture have aroused much theoretical interest on the mechanism of π states. Both tunneling junction and single orifice junction models were successfully applied to explain the occurrence of π states and their relationship with the texture orientations of n̂ vectors in two 3He-B reservoirs. In this paper, we study a model 3He-B Josephson junction through a porous layer. The order parameters and current-phase relations are calculated self-consistently using the quasiclassical theory. In agreement with previous theories, the π state is also observed when the n̂'s are aligned antiparallel and normal to the porous layer. In this model, however, the π state exists only when the coupling between two 3He-B reservoirs is strong, and the usual 0 state is present when the coupling diminishes. Being contrary to the single aperture case, the π state in our model is robust only when the magnetic field is aligned either nearly normal to or within the porous layer.en_HK
dc.format.extent158154 bytes-
dc.format.extent45056 bytes-
dc.format.mimetypeapplication/pdf-
dc.format.mimetypeapplication/msword-
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_HK
dc.relation.ispartofPhysical Review B - Condensed Matter and Materials Physicsen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.en_HK
dc.subjectPhysicsen_HK
dc.titleOrder parameters and current-phase relations in 3He-B Josephson junctions through a porous layeren_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=64&issue=21&spage=214501:1&epage=6&date=2001&atitle=Order+parameters+and+current-phase+relations+in+3He-B+Josephson+junctions+through+a+porous+layeren_HK
dc.identifier.emailWang, ZD: zwang@hkucc.hku.hken_HK
dc.identifier.authorityWang, ZD=rp00802en_HK
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1103/PhysRevB.64.214501en_HK
dc.identifier.scopuseid_2-s2.0-0035584171en_HK
dc.identifier.hkuros65710-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0035584171&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume64en_HK
dc.identifier.issue21en_HK
dc.identifier.spage2145011en_HK
dc.identifier.epage2145016en_HK
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridZhang, W=7409424869en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK

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