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Article: Spin-fluctuation-mediated pairing symmetry on the metallic kagome lattice

TitleSpin-fluctuation-mediated pairing symmetry on the metallic kagome lattice
Authors
KeywordsFluctuation exchange approximation
Heavy holes
Hole-doping
Metallic kagome
Pairing symmetries
Issue Date2011
PublisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/Journals/jpcm
Citation
Journal Of Physics Condensed Matter, 2011, v. 23 n. 17 How to Cite?
AbstractWe study the magnetic properties and the superconducting pairing mediated by spin fluctuations on the metallic kagome lattice by using the Hubbard model and the fluctuation exchange approximation. It is found that the spin susceptibility is caused by the nesting of the renormalized Fermi surface. We point out that superconductivity will be favored in the spin-singlet channel and may be more easily realized around 25% hole doping. We find an evolution of the pairing state from a d-wave-like symmetry, described by the E 2g representation of the group D 6h at low dopings, to that described by the A 2g representation at heavy hole dopings. © 2011 IOP Publishing Ltd.
Persistent Identifierhttp://hdl.handle.net/10722/139619
ISSN
2015 Impact Factor: 2.209
2015 SCImago Journal Rankings: 0.812
ISI Accession Number ID
Funding AgencyGrant Number
National Natural Science Foundation of China91021001
Ministry of Science and Technology of Science2011CB922101
2011CB605902
Funding Information:

This work was supported by the National Natural Science Foundation of China (grant no. 91021001) and the Ministry of Science and Technology of Science (973 project, grant nos. 2011CB922101 and 2011CB605902).

References

 

DC FieldValueLanguage
dc.contributor.authorKang, Jen_HK
dc.contributor.authorYu, SLen_HK
dc.contributor.authorYao, ZJen_HK
dc.contributor.authorLi, JXen_HK
dc.date.accessioned2011-09-23T05:52:42Z-
dc.date.available2011-09-23T05:52:42Z-
dc.date.issued2011en_HK
dc.identifier.citationJournal Of Physics Condensed Matter, 2011, v. 23 n. 17en_HK
dc.identifier.issn0953-8984en_HK
dc.identifier.urihttp://hdl.handle.net/10722/139619-
dc.description.abstractWe study the magnetic properties and the superconducting pairing mediated by spin fluctuations on the metallic kagome lattice by using the Hubbard model and the fluctuation exchange approximation. It is found that the spin susceptibility is caused by the nesting of the renormalized Fermi surface. We point out that superconductivity will be favored in the spin-singlet channel and may be more easily realized around 25% hole doping. We find an evolution of the pairing state from a d-wave-like symmetry, described by the E 2g representation of the group D 6h at low dopings, to that described by the A 2g representation at heavy hole dopings. © 2011 IOP Publishing Ltd.en_HK
dc.languageengen_US
dc.publisherInstitute of Physics Publishing. The Journal's web site is located at http://www.iop.org/Journals/jpcmen_HK
dc.relation.ispartofJournal of Physics Condensed Matteren_HK
dc.rightsJournal of Physics: Condensed Matter. Copyright © Institute of Physics Publishing.-
dc.subjectFluctuation exchange approximation-
dc.subjectHeavy holes-
dc.subjectHole-doping-
dc.subjectMetallic kagome-
dc.subjectPairing symmetries-
dc.titleSpin-fluctuation-mediated pairing symmetry on the metallic kagome latticeen_HK
dc.typeArticleen_HK
dc.identifier.emailYao, ZJ: zjyao@hku.hken_HK
dc.identifier.authorityYao, ZJ=rp00828en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1088/0953-8984/23/17/175702en_HK
dc.identifier.pmid21483084-
dc.identifier.scopuseid_2-s2.0-79954988216en_HK
dc.identifier.hkuros193940en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79954988216&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume23en_HK
dc.identifier.issue17en_HK
dc.identifier.isiWOS:000289555700017-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridKang, J=23394902400en_HK
dc.identifier.scopusauthoridYu, SL=16069970100en_HK
dc.identifier.scopusauthoridYao, ZJ=24172115800en_HK
dc.identifier.scopusauthoridLi, JX=36062437800en_HK
dc.identifier.citeulike9194814-

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