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Please use this identifier to cite or link to this item: http://acervodigital.unesp.br/handle/11449/38441
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dc.contributor.authorTonel, A. P.-
dc.contributor.authorFoerster, A.-
dc.contributor.authorLinks, J.-
dc.contributor.authorMalvezzi, André Luiz-
dc.date.accessioned2014-05-20T15:28:41Z-
dc.date.accessioned2016-10-25T18:03:48Z-
dc.date.available2014-05-20T15:28:41Z-
dc.date.available2016-10-25T18:03:48Z-
dc.date.issued2001-08-01-
dc.identifierhttp://dx.doi.org/10.1103/PhysRevB.64.054420-
dc.identifier.citationPhysical Review B. College Pk: American Physical Soc, v. 64, n. 5, 5 p., 2001.-
dc.identifier.issn0163-1829-
dc.identifier.urihttp://hdl.handle.net/11449/38441-
dc.identifier.urihttp://acervodigital.unesp.br/handle/11449/38441-
dc.description.abstractWe present an integrable spin-ladder model, which possesses a free parameter besides the rung coupling J. Wang's system based on the SU(4) symmetry can be obtained as a special case. The model is exactly solvable by means of the Bethe ansatz method. We determine the dependence on the anisotropy parameter of the phase transition between gapped and gapless spin excitations and present the phase diagram. Finally, we show that the model is a special case of a more general Hamiltonian with three free parameters.en
dc.format.extent5-
dc.language.isoeng-
dc.publisherAmerican Physical Soc-
dc.sourceWeb of Science-
dc.titleIntegrable anisotropic spin-ladder modelen
dc.typeoutro-
dc.contributor.institutionUniversidade Federal do Rio Grande do Sul (UFRGS)-
dc.contributor.institutionUniv Queensland-
dc.contributor.institutionUniversidade Estadual Paulista (UNESP)-
dc.description.affiliationUniv Fed Rio Grande Sul, Inst Fis, Porto Alegre, RS, Brazil-
dc.description.affiliationUniv Queensland, Dept Math, Brisbane, Qld 4072, Australia-
dc.description.affiliationUNESP, Dept Fis, Bauru, SP, Brazil-
dc.description.affiliationUnespUNESP, Dept Fis, Bauru, SP, Brazil-
dc.identifier.doi10.1103/PhysRevB.64.054420-
dc.identifier.wosWOS:000170267000056-
dc.rights.accessRightsAcesso restrito-
dc.identifier.fileWOS000170267000056.pdf-
dc.relation.ispartofPhysical Review B-
Appears in Collections:Artigos, TCCs, Teses e Dissertações da Unesp

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