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Article: Unconventional superconducting symmetry in a checkerboard antiferromagnet studied via renormalized mean-field theory

TitleUnconventional superconducting symmetry in a checkerboard antiferromagnet studied via renormalized mean-field theory
Authors
Issue Date2007
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2007, v. 75 n. 18 How to Cite?
AbstractWe use a renormalized mean-field theory to study the Gutzwiller projected Bardeen-Cooper-Schrieffer states of the extended Hubbard model in the large U limit or the t- t′ -J- J′ model on a two-dimensional checkerboard lattice. At small t′/t, the frustration due to the diagonal terms of t′ and J′ does not alter the d x2 - y2 -wave pairing symmetry, and the negative (positive) t′/t enhances (suppresses) the pairing order parameter. At large t′/t, the ground state has an s-s wave symmetry. At the intermediate t′/t, the ground state is d+id or d+is wave with time reversal symmetry broken. © 2007 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/92088
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorHuang, HXen_HK
dc.contributor.authorLi, YQen_HK
dc.contributor.authorGan, JYen_HK
dc.contributor.authorChen, Yen_HK
dc.contributor.authorZhang, FCen_HK
dc.date.accessioned2010-09-17T10:35:44Z-
dc.date.available2010-09-17T10:35:44Z-
dc.date.issued2007en_HK
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2007, v. 75 n. 18en_HK
dc.identifier.issn1098-0121en_HK
dc.identifier.urihttp://hdl.handle.net/10722/92088-
dc.description.abstractWe use a renormalized mean-field theory to study the Gutzwiller projected Bardeen-Cooper-Schrieffer states of the extended Hubbard model in the large U limit or the t- t′ -J- J′ model on a two-dimensional checkerboard lattice. At small t′/t, the frustration due to the diagonal terms of t′ and J′ does not alter the d x2 - y2 -wave pairing symmetry, and the negative (positive) t′/t enhances (suppresses) the pairing order parameter. At large t′/t, the ground state has an s-s wave symmetry. At the intermediate t′/t, the ground state is d+id or d+is wave with time reversal symmetry broken. © 2007 The American Physical Society.en_HK
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.titleUnconventional superconducting symmetry in a checkerboard antiferromagnet studied via renormalized mean-field theoryen_HK
dc.typeArticleen_HK
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_HK
dc.identifier.authorityZhang, FC=rp00840en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1103/PhysRevB.75.184523en_HK
dc.identifier.scopuseid_2-s2.0-34347400065en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-34347400065&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume75en_HK
dc.identifier.issue18en_HK
dc.identifier.eissn1550-235X-
dc.identifier.isiWOS:000246890600105-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridHuang, HX=12751871100en_HK
dc.identifier.scopusauthoridLi, YQ=7502084929en_HK
dc.identifier.scopusauthoridGan, JY=16024720900en_HK
dc.identifier.scopusauthoridChen, Y=7601428288en_HK
dc.identifier.scopusauthoridZhang, FC=14012468800en_HK

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