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Article: π-Phase shift at the interface of two pnictide superconductors with antiphase s-wave pairing
Title | π-Phase shift at the interface of two pnictide superconductors with antiphase s-wave pairing | ||||||
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Authors | |||||||
Issue Date | 2011 | ||||||
Publisher | American 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, article no. 212501 , p. 1-4 How to Cite? | ||||||
Abstract | We 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 Identifier | http://hdl.handle.net/10722/139614 | ||||||
ISSN | 2014 Impact Factor: 3.736 | ||||||
ISI Accession Number ID |
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 Field | Value | Language |
---|---|---|
dc.contributor.author | Chen, WQ | en_HK |
dc.contributor.author | Zhang, FC | en_HK |
dc.date.accessioned | 2011-09-23T05:52:39Z | - |
dc.date.available | 2011-09-23T05:52:39Z | - |
dc.date.issued | 2011 | en_HK |
dc.identifier.citation | Physical Review B (Condensed Matter and Materials Physics), 2011, v. 83 n. 21, article no. 212501 , p. 1-4 | - |
dc.identifier.issn | 1098-0121 | en_HK |
dc.identifier.uri | http://hdl.handle.net/10722/139614 | - |
dc.description.abstract | We 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.language | eng | en_US |
dc.publisher | American Physical Society. The Journal's web site is located at http://prb.aps.org/ | en_HK |
dc.relation.ispartof | Physical Review B (Condensed Matter and Materials Physics) | - |
dc.rights | Copyright 2011 by The American Physical Society. This article is available online at https://doi.org/10.1103/PhysRevB.83.212501 | - |
dc.title | π-Phase shift at the interface of two pnictide superconductors with antiphase s-wave pairing | en_HK |
dc.type | Article | en_HK |
dc.identifier.email | Chen, WQ: wqchen@hku.hk | en_HK |
dc.identifier.email | Zhang, FC: fuchun@hkucc.hku.hk | en_HK |
dc.identifier.authority | Chen, WQ=rp00673 | en_HK |
dc.identifier.authority | Zhang, FC=rp00840 | en_HK |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1103/PhysRevB.83.212501 | en_HK |
dc.identifier.scopus | eid_2-s2.0-79961160393 | en_HK |
dc.identifier.hkuros | 193512 | en_US |
dc.relation.references | http://www.scopus.com/mlt/select.url?eid=2-s2.0-79961160393&selection=ref&src=s&origin=recordpage | en_HK |
dc.identifier.volume | 83 | en_HK |
dc.identifier.issue | 21 | en_HK |
dc.identifier.spage | article no. 212501, p. 1 | - |
dc.identifier.epage | article no. 212501, p. 4 | - |
dc.identifier.isi | WOS:000291461500002 | - |
dc.publisher.place | United States | en_HK |
dc.identifier.scopusauthorid | Chen, WQ=36077405600 | en_HK |
dc.identifier.scopusauthorid | Zhang, FC=14012468800 | en_HK |
dc.identifier.issnl | 1098-0121 | - |