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Article: Coherent quantum transport in ferromagnet/superconductor/ferromagnet structures

TitleCoherent quantum transport in ferromagnet/superconductor/ferromagnet structures
Authors
KeywordsPhysics
Issue Date2003
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2003, v. 67 n. 13, p. 1345151-1345158 How to Cite?
AbstractThe Blonder-Tinkham-Klapwijk (BTK) approach is extended to study coherent quantum transport in ferromagnet/superconductor/ferromagnet (FM/SC/SM) double tunnel junctions. In order to guarantee current conservation it is necessary to simultaneously consider spin-polarized electron currents along one direction and spin-polarized hole currents along the opposite direction, and to determine self-consistently the chemical potential in SC. It is found that all the reflection and transmission coefficients'in BTK theory as well as conductance spectra oscillate with energy, exhibiting different behavior in the metallic and tunnel limits.
Persistent Identifierhttp://hdl.handle.net/10722/43385
ISSN
2001 Impact Factor: 3.07
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorDong, ZCen_HK
dc.contributor.authorShen, Ren_HK
dc.contributor.authorZheng, ZMen_HK
dc.contributor.authorXing, DYen_HK
dc.contributor.authorWang, ZDen_HK
dc.date.accessioned2007-03-23T04:44:42Z-
dc.date.available2007-03-23T04:44:42Z-
dc.date.issued2003en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2003, v. 67 n. 13, p. 1345151-1345158en_HK
dc.identifier.issn0163-1829en_HK
dc.identifier.urihttp://hdl.handle.net/10722/43385-
dc.description.abstractThe Blonder-Tinkham-Klapwijk (BTK) approach is extended to study coherent quantum transport in ferromagnet/superconductor/ferromagnet (FM/SC/SM) double tunnel junctions. In order to guarantee current conservation it is necessary to simultaneously consider spin-polarized electron currents along one direction and spin-polarized hole currents along the opposite direction, and to determine self-consistently the chemical potential in SC. It is found that all the reflection and transmission coefficients'in BTK theory as well as conductance spectra oscillate with energy, exhibiting different behavior in the metallic and tunnel limits.en_HK
dc.format.extent121062 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.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectPhysicsen_HK
dc.titleCoherent quantum transport in ferromagnet/superconductor/ferromagnet structuresen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1098-0121&volume=67&issue=13&spage=134515:1&epage=8&date=2003&atitle=Coherent+quantum+transport+in+ferromagnet/superconductor/ferromagnet+structuresen_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.67.134515en_HK
dc.identifier.scopuseid_2-s2.0-0038101452en_HK
dc.identifier.hkuros77179-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0038101452&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume67en_HK
dc.identifier.issue13en_HK
dc.identifier.spage1345151en_HK
dc.identifier.epage1345158en_HK
dc.identifier.isiWOS:000182604100106-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridDong, ZC=7402274238en_HK
dc.identifier.scopusauthoridShen, R=30067776600en_HK
dc.identifier.scopusauthoridZheng, ZM=7403007411en_HK
dc.identifier.scopusauthoridXing, DY=7202670397en_HK
dc.identifier.scopusauthoridWang, ZD=14828459100en_HK

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