Variational localized-site cluster expansions. II. Trees and near trees

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dc.contributor.authorKlein, D.J.
dc.contributor.authorGarcía Bach, Ma. de los Ángeles
dc.date.accessioned2023-06-23T16:45:59Z
dc.date.available2023-06-23T16:45:59Z
dc.date.issued1976
dc.date.updated2023-06-23T16:45:59Z
dc.description.abstractCluster expanded wavefunctions involving localized‐site states and only pair excitations between nearest neighbor sites are considered. In the case that the bonds connecting these nearest neighbor sites form a tree graph (without rings), exact matrix element formulas are obtained in terms of the inverse of a modified type of topological matrix associated with this tree graph. The treatment of some near‐tree cases, without any touching rings, is also discussed.
dc.format.extent5 p.
dc.format.mimetypeapplication/pdf
dc.identifier.idgrec003446
dc.identifier.issn0021-9606
dc.identifier.urihttps://hdl.handle.net/2445/199749
dc.language.isoeng
dc.publisherAmerican Institute of Physics (AIP)
dc.relation.isformatofReproducció del document publicat a: https://doi.org/10.1063/1.432144
dc.relation.ispartofJournal of Chemical Physics, 1976, vol. 64, p. 4873-4877
dc.relation.urihttps://doi.org/10.1063/1.432144
dc.rights(c) American Institute of Physics (AIP), 1976
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.sourceArticles publicats en revistes (Física de la Matèria Condensada)
dc.subject.classificationTermodinàmica estadística
dc.subject.classificationTeoria de grafs
dc.subject.classificationArbres
dc.subject.otherStatistical thermodynamics
dc.subject.otherGraph theory
dc.subject.otherTrees
dc.titleVariational localized-site cluster expansions. II. Trees and near trees
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion

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