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Article: π Junction to probe antiphase s-Wave pairing in iron pnictide superconductors

Titleπ Junction to probe antiphase s-Wave pairing in iron pnictide superconductors
Authors
KeywordsAluminum metal
Antiphase
Electron pockets
Josephson junctions
Planar junctions
Issue Date2009
PublisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.org
Citation
Physical Review Letters, 2009, v. 103 n. 20 How to Cite?
AbstractJosephson junctions between a FeAs-based superconductor with antiphase s-wave pairing and a conventional s-wave superconductor are studied. The translational invariance in a planar junction between a single crystal pnictide and an aluminum metal greatly enhances the relative weight of electron pockets in the pnictide to the critical current. In a wide doping region of the pnictide, a planar and a point contact junction have opposite phases, which can be used to design a trijunction ring with π phase to probe the antiphase pairing. © 2009 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/81056
ISSN
2015 Impact Factor: 7.645
2015 SCImago Journal Rankings: 3.731
ISI Accession Number ID
Funding AgencyGrant Number
HKSAR RGC
NSFC
National Program for Basic Research of MOST, China
KITPC
CASKJCX2. YW. W10
Funding Information:

We thank C. C. Tsuei, T. M. Rice, and C. C. Chi for many useful discussions. This work is supported in part by HKSAR RGC grant, NSFC, National Program for Basic Research of MOST, China, and by KITPC through the Project of Knowledge Innovation Program (PKIP) of CAS, Grant No. KJCX2. YW. W10.

References

 

DC FieldValueLanguage
dc.contributor.authorChen, WQen_HK
dc.contributor.authorMa, Fen_HK
dc.contributor.authorLu, ZYen_HK
dc.contributor.authorZhang, FCen_HK
dc.date.accessioned2010-09-06T08:13:16Z-
dc.date.available2010-09-06T08:13:16Z-
dc.date.issued2009en_HK
dc.identifier.citationPhysical Review Letters, 2009, v. 103 n. 20en_HK
dc.identifier.issn0031-9007en_HK
dc.identifier.urihttp://hdl.handle.net/10722/81056-
dc.description.abstractJosephson junctions between a FeAs-based superconductor with antiphase s-wave pairing and a conventional s-wave superconductor are studied. The translational invariance in a planar junction between a single crystal pnictide and an aluminum metal greatly enhances the relative weight of electron pockets in the pnictide to the critical current. In a wide doping region of the pnictide, a planar and a point contact junction have opposite phases, which can be used to design a trijunction ring with π phase to probe the antiphase pairing. © 2009 The American Physical Society.en_HK
dc.languageengen_HK
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prl.aps.orgen_HK
dc.relation.ispartofPhysical Review Lettersen_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.rightsPhysical Review Letters. Copyright © American Physical Society.en_HK
dc.subjectAluminum metal-
dc.subjectAntiphase-
dc.subjectElectron pockets-
dc.subjectJosephson junctions-
dc.subjectPlanar junctions-
dc.titleπ Junction to probe antiphase s-Wave pairing in iron pnictide superconductorsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0031-9007&volume=103&issue=20, article no. 207001&spage=&epage=&date=2009&atitle=π+junction+to+probe+antiphase+s-wave+pairing+in+iron+pnictide+superconductorsen_HK
dc.identifier.emailChen, WQ: wqchen@hku.hken_HK
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_HK
dc.identifier.authorityChen, WQ=rp00673en_HK
dc.identifier.authorityZhang, FC=rp00840en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1103/PhysRevLett.103.207001en_HK
dc.identifier.pmid20366003-
dc.identifier.scopuseid_2-s2.0-70449427299en_HK
dc.identifier.hkuros169462en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-70449427299&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume103en_HK
dc.identifier.issue20en_HK
dc.identifier.eissn1079-7114-
dc.identifier.isiWOS:000271864600040-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChen, WQ=36077405600en_HK
dc.identifier.scopusauthoridMa, F=24529185400en_HK
dc.identifier.scopusauthoridLu, ZY=25958209300en_HK
dc.identifier.scopusauthoridZhang, FC=14012468800en_HK

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