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Article: Symmetry of superconducting states with two orbitals on a tetragonal lattice: Application to LaFeAsO1-x Fx

TitleSymmetry of superconducting states with two orbitals on a tetragonal lattice: Application to LaFeAsO1-x Fx
Authors
Issue Date2008
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2008, v. 78 n. 6 How to Cite?
AbstractWe use group theory to classify the superconducting states of systems with two orbitals on a tetragonal lattice. The orbital part of the superconducting gap function can be either symmetric or antisymmetric. For the orbital symmetric state, the parity is even for spin singlet and odd for spin triplet; for the orbital antisymmetric state, the parity is odd for spin singlet and even for spin triplet. The gap basis functions are obtained with the use of the group chain scheme by taking into account the spin-orbit coupling. In the weak pairing limit, the orbital antisymmetric state is only stable for the degenerate orbitals. Possible application to iron-based superconductivity is discussed. © 2008 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/175149
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorZhou, Yen_US
dc.contributor.authorChen, WQen_US
dc.contributor.authorZhang, FCen_US
dc.date.accessioned2012-11-26T08:49:25Z-
dc.date.available2012-11-26T08:49:25Z-
dc.date.issued2008en_US
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2008, v. 78 n. 6en_US
dc.identifier.issn1098-0121en_US
dc.identifier.urihttp://hdl.handle.net/10722/175149-
dc.description.abstractWe use group theory to classify the superconducting states of systems with two orbitals on a tetragonal lattice. The orbital part of the superconducting gap function can be either symmetric or antisymmetric. For the orbital symmetric state, the parity is even for spin singlet and odd for spin triplet; for the orbital antisymmetric state, the parity is odd for spin singlet and even for spin triplet. The gap basis functions are obtained with the use of the group chain scheme by taking into account the spin-orbit coupling. In the weak pairing limit, the orbital antisymmetric state is only stable for the degenerate orbitals. Possible application to iron-based superconductivity is discussed. © 2008 The American Physical Society.en_US
dc.languageengen_US
dc.publisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/en_US
dc.relation.ispartofPhysical Review B - Condensed Matter and Materials Physicsen_US
dc.rightsPhysical Review B (Condensed Matter and Materials Physics). Copyright © American Physical Society.-
dc.titleSymmetry of superconducting states with two orbitals on a tetragonal lattice: Application to LaFeAsO1-x Fxen_US
dc.typeArticleen_US
dc.identifier.emailChen, WQ: wqchen@hku.hken_US
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_US
dc.identifier.authorityChen, WQ=rp00673en_US
dc.identifier.authorityZhang, FC=rp00840en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1103/PhysRevB.78.064514en_US
dc.identifier.scopuseid_2-s2.0-50449103543en_US
dc.identifier.hkuros144403-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-50449103543&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume78en_US
dc.identifier.issue6en_US
dc.identifier.isiWOS:000259264900093-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridZhou, Y=8862218900en_US
dc.identifier.scopusauthoridChen, WQ=36077405600en_US
dc.identifier.scopusauthoridZhang, FC=14012468800en_US

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