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Article: Theorem on pseudospin and η-pairing superconductivity

TitleTheorem on pseudospin and η-pairing superconductivity
Authors
Shen, SQ
Issue Date1996
PublisherAmerican Physical Society. The Journal's web site is located at http://prb.aps.org/
Citation
Physical Review B (Condensed Matter), 1996, v. 54 n. 13, p. 9039-9042 How to Cite?
DOI: http://dx.doi.org/10.1103/PhysRevB.54.9039
AbstractWe present a theorem on total pseudospin as an eigenvalue in a state. The total pseudospin is determined by the summation of the phase factors, written in terms of pseudospin operator and number of electrons. We discuss its relation with η-pairing superconductivity and ground-state energy level ordering of a system with pseudospin symmetry. Finally as an application of the theorem we show that the ground state of a generalized Hubbard model is superconducting for any electron filling.
Persistent Identifierhttp://hdl.handle.net/10722/174666
ISSN
0163-1829
ISI Accession Number ID
WOS:A1996VM27000025
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorShen, SQen_US
dc.date.accessioned2012-11-26T08:46:47Z-
dc.date.available2012-11-26T08:46:47Z-
dc.date.issued1996en_US
dc.identifier.citationPhysical Review B (Condensed Matter), 1996, v. 54 n. 13, p. 9039-9042-
dc.identifier.issn0163-1829en_US
dc.identifier.urihttp://hdl.handle.net/10722/174666-
dc.description.abstractWe present a theorem on total pseudospin as an eigenvalue in a state. The total pseudospin is determined by the summation of the phase factors, written in terms of pseudospin operator and number of electrons. We discuss its relation with η-pairing superconductivity and ground-state energy level ordering of a system with pseudospin symmetry. Finally as an application of the theorem we show that the ground state of a generalized Hubbard model is superconducting for any electron filling.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.titleTheorem on pseudospin and η-pairing superconductivityen_US
dc.typeArticleen_US
dc.identifier.emailShen, SQ: sshen@hkucc.hku.hken_US
dc.identifier.authorityShen, SQ=rp00775en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1103/PhysRevB.54.9039-
dc.identifier.scopuseid_2-s2.0-0008043173en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0008043173&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume54en_US
dc.identifier.issue13en_US
dc.identifier.spage9039en_US
dc.identifier.epage9042en_US
dc.identifier.isiWOS:A1996VM27000025-
dc.publisher.placeUnited Statesen_US
dc.identifier.scopusauthoridShen, SQ=7403431266en_US
dc.identifier.issnl0163-1829-

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