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Article: Dimerization in the two-dimensional Hubbard model

TitleDimerization in the two-dimensional Hubbard model
Authors
Zhang, FCPrelovsek, P
Issue Date1988
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter), 1988, v. 37 n. 4, p. 1569-1573 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.37.1569
AbstractWe have used both an exact diagonalization method for finite-size systems and a perturbation technique to study the lattice instability due to dimerization in a two-dimensional Hubbard model in the large-U limit. We show that a critical electron-phonon coupling strength is required to form a dimerized state, in contrast to the 1-dimensional system. Our calculations suggest the phase transition to the dimerized state is of first order. The relevance to high-Tc superconductor materials is discussed. © 1988 The American Physical Society.
Persistent Identifierhttp://hdl.handle.net/10722/174639
ISSN
0163-1829
ISI Accession Number ID
WOS:A1988M022600018

 

DC FieldValueLanguage
dc.contributor.authorZhang, FCen_US
dc.contributor.authorPrelovsek, Pen_US
dc.date.accessioned2012-11-26T08:46:38Z-
dc.date.available2012-11-26T08:46:38Z-
dc.date.issued1988en_US
dc.identifier.citationPhysical Review B (Condensed Matter), 1988, v. 37 n. 4, p. 1569-1573-
dc.identifier.issn0163-1829en_US
dc.identifier.urihttp://hdl.handle.net/10722/174639-
dc.description.abstractWe have used both an exact diagonalization method for finite-size systems and a perturbation technique to study the lattice instability due to dimerization in a two-dimensional Hubbard model in the large-U limit. We show that a critical electron-phonon coupling strength is required to form a dimerized state, in contrast to the 1-dimensional system. Our calculations suggest the phase transition to the dimerized state is of first order. The relevance to high-Tc superconductor materials is discussed. © 1988 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)-
dc.titleDimerization in the two-dimensional Hubbard modelen_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.37.1569en_US
dc.identifier.scopuseid_2-s2.0-0001331185en_US
dc.identifier.volume37en_US
dc.identifier.issue4en_US
dc.identifier.spage1569en_US
dc.identifier.epage1573en_US
dc.identifier.isiWOS:A1988M022600018-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridZhang, FC=14012468800en_US
dc.identifier.scopusauthoridPrelovsek, P=7005743482en_US
dc.identifier.issnl0163-1829-

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