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Article: Mean field RVB theory: degeneracy, gauge symmetry and the comparison to exact results

TitleMean field RVB theory: degeneracy, gauge symmetry and the comparison to exact results
Authors
Issue Date1988
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/physc
Citation
Physica C: Superconductivity And Its Applications, 1988, v. 153-55 n. 2, p. 1251-1252 How to Cite?
AbstractWe present a mean field theory for RVB states on a square lattice at and near half-filling, including particle-particle and particle-hole correlations. At half-filling, local SU(2) invariance allows a wavefunction to be expressed variously in fermion operators, which leads to degeneracies in the mean field theory. Away from half-filling the invariance is absent and the lowest energy RVB state is a d-wave superconductor.
Persistent Identifierhttp://hdl.handle.net/10722/174686
ISSN
2015 Impact Factor: 0.835
2015 SCImago Journal Rankings: 0.472
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorZhang, FCen_US
dc.contributor.authorGros, Cen_US
dc.contributor.authorRice, TMen_US
dc.contributor.authorShiba, Hen_US
dc.contributor.authorJoynt, Ren_US
dc.date.accessioned2012-11-26T08:46:53Z-
dc.date.available2012-11-26T08:46:53Z-
dc.date.issued1988en_US
dc.identifier.citationPhysica C: Superconductivity And Its Applications, 1988, v. 153-55 n. 2, p. 1251-1252en_US
dc.identifier.issn0921-4534en_US
dc.identifier.urihttp://hdl.handle.net/10722/174686-
dc.description.abstractWe present a mean field theory for RVB states on a square lattice at and near half-filling, including particle-particle and particle-hole correlations. At half-filling, local SU(2) invariance allows a wavefunction to be expressed variously in fermion operators, which leads to degeneracies in the mean field theory. Away from half-filling the invariance is absent and the lowest energy RVB state is a d-wave superconductor.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/physcen_US
dc.relation.ispartofPhysica C: Superconductivity and its Applicationsen_US
dc.titleMean field RVB theory: degeneracy, gauge symmetry and the comparison to exact resultsen_US
dc.typeArticleen_US
dc.identifier.emailZhang, FC: fuchun@hkucc.hku.hken_US
dc.identifier.authorityZhang, FC=rp00840en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/0921-4534(88)90266-3en_US
dc.identifier.scopuseid_2-s2.0-0024019986en_US
dc.identifier.volume153-55en_US
dc.identifier.issue2en_US
dc.identifier.spage1251en_US
dc.identifier.epage1252en_US
dc.identifier.isiWOS:A1988P410100069-
dc.publisher.placeNetherlandsen_US
dc.identifier.scopusauthoridZhang, FC=14012468800en_US
dc.identifier.scopusauthoridGros, C=7102388579en_US
dc.identifier.scopusauthoridRice, TM=7201893707en_US
dc.identifier.scopusauthoridShiba, H=7005943832en_US
dc.identifier.scopusauthoridJoynt, R=7005981135en_US

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