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Article: Phenomenological theory of the pseudogap state

TitlePhenomenological theory of the pseudogap state
Authors
Issue Date2006
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B - Condensed Matter And Materials Physics, 2006, v. 73 n. 17 How to Cite?
AbstractAn ansatz is proposed for the coherent part of the single particle Green's function in a doped resonant valence bond (RVB) state by analogy with the form derived by Konik and co-workers for a doped spin liquid formed by an array of two-leg Hubbard ladders near half-filling. The parameters of the RVB state are taken from the renormalized mean field theory of Zhang and co-workers for underdoped cuprates. The ansatz shows good agreement with recent angle resolved photoemission on underdoped cuprates and resolves an apparent disagreement with the Luttinger sum rule. The transition in the normal state from a doped RVB spin liquid to a standard Landau Fermi liquid, that occurs in the renormalized mean field theory, appears as a quantum critical point characterized by a change in the analytic form of the Green's function. A d -wave superconducting dome surrounding this quantum critical point is introduced phenomenologically. Results are also presented for the Drude weight and tunneling density of states as functions of the hole density. © 2006 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/175011
ISSN
2014 Impact Factor: 3.736
2015 SCImago Journal Rankings: 1.933
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorYang, KYen_US
dc.contributor.authorRice, TMen_US
dc.contributor.authorZhang, FCen_US
dc.date.accessioned2012-11-26T08:48:46Z-
dc.date.available2012-11-26T08:48:46Z-
dc.date.issued2006en_US
dc.identifier.citationPhysical Review B - Condensed Matter And Materials Physics, 2006, v. 73 n. 17en_US
dc.identifier.issn1098-0121en_US
dc.identifier.urihttp://hdl.handle.net/10722/175011-
dc.description.abstractAn ansatz is proposed for the coherent part of the single particle Green's function in a doped resonant valence bond (RVB) state by analogy with the form derived by Konik and co-workers for a doped spin liquid formed by an array of two-leg Hubbard ladders near half-filling. The parameters of the RVB state are taken from the renormalized mean field theory of Zhang and co-workers for underdoped cuprates. The ansatz shows good agreement with recent angle resolved photoemission on underdoped cuprates and resolves an apparent disagreement with the Luttinger sum rule. The transition in the normal state from a doped RVB spin liquid to a standard Landau Fermi liquid, that occurs in the renormalized mean field theory, appears as a quantum critical point characterized by a change in the analytic form of the Green's function. A d -wave superconducting dome surrounding this quantum critical point is introduced phenomenologically. Results are also presented for the Drude weight and tunneling density of states as functions of the hole density. © 2006 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.titlePhenomenological theory of the pseudogap stateen_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.doi10.1103/PhysRevB.73.174501en_US
dc.identifier.scopuseid_2-s2.0-33646262101en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-33646262101&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume73en_US
dc.identifier.issue17en_US
dc.identifier.isiWOS:000237950200097-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridYang, KY=7404291063en_US
dc.identifier.scopusauthoridRice, TM=7201893707en_US
dc.identifier.scopusauthoridZhang, FC=14012468800en_US

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