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Article: π-Phase shift at the interface of two pnictide superconductors with antiphase s-wave pairing

Titleπ-Phase shift at the interface of two pnictide superconductors with antiphase s-wave pairing
Authors
Issue Date2011
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2011, v. 83 n. 21 How to Cite?
AbstractWe examine the nature of Josephson junction between two identical Fe-pnictides with antiphase s-wave pairing. π-phase shift is found if the junction barrier is thick and the two Fe-pnictides are oriented in certain directions relative to the interface. Our theory provides a possible explanation for the observed half integer flux quantum transitions in a niobium/polycrystal NdFeAsO loop, and attributes the π-phase shift to intergrain junctions of Fe-pnictides. © 2011 American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/139614
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID
Funding AgencyGrant Number
Hong Kong RGCGRF HKU 701009
GRF HKU 706809
NSFC/RGCN-HKU 726/09
Funding Information:

We wish to thank C. C. Tsuei and C. T. Chen for the fruitful discussions on their experiments and the related physics. We also thank Zhong-Yi Lu and Fengjie Ma for many useful discussions. We acknowledge partial financial support from Hong Kong RGC Grant Nos. GRF HKU 701009 and GRF HKU 706809, and NSFC/RGC N-HKU 726/09.

References

 

DC FieldValueLanguage
dc.contributor.authorChen, WQen_HK
dc.contributor.authorZhang, FCen_HK
dc.date.accessioned2011-09-23T05:52:39Z-
dc.date.available2011-09-23T05:52:39Z-
dc.date.issued2011en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2011, v. 83 n. 21en_HK
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139614-
dc.description.abstractWe examine the nature of Josephson junction between two identical Fe-pnictides with antiphase s-wave pairing. π-phase shift is found if the junction barrier is thick and the two Fe-pnictides are oriented in certain directions relative to the interface. Our theory provides a possible explanation for the observed half integer flux quantum transitions in a niobium/polycrystal NdFeAsO loop, and attributes the π-phase shift to intergrain junctions of Fe-pnictides. © 2011 American Physical Society.en_HK
dc.languageengen_US
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 Licenseen_US
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.-
dc.titleπ-Phase shift at the interface of two pnictide superconductors with antiphase s-wave pairingen_HK
dc.typeArticleen_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/PhysRevB.83.212501en_HK
dc.identifier.scopuseid_2-s2.0-79961160393en_HK
dc.identifier.hkuros193512en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79961160393&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume83en_HK
dc.identifier.issue21en_HK
dc.identifier.spage212501-1en_US
dc.identifier.epage212501-4en_US
dc.identifier.isiWOS:000291461500002-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridChen, WQ=36077405600en_HK
dc.identifier.scopusauthoridZhang, FC=14012468800en_HK

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