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dc.contributor.authorErichsen Junior, Rubempt_BR
dc.contributor.authorTheumann, Walter Karlpt_BR
dc.contributor.authorMagalhaes, Sergio Garciapt_BR
dc.date.accessioned2014-08-26T09:26:21Zpt_BR
dc.date.issued2013pt_BR
dc.identifier.issn1539-3755pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/101841pt_BR
dc.description.abstractThe phase diagrams of the three-state Ghatak-Sherrington spin-glass (or random Blume-Capel) model are obtained in mean-field theory with replica symmetry in order to study the effects of a ferromagnetic bias and finite random connectivity in which each spin is connected to a finite number of other spins. It is shown that inverse melting from a ferromagnetic to a low-temperature paramagnetic phase may appear for small but finite disorder and that inverse freezing appears for large disorder. There can also be a continuous inverse ferromagnetic to spin-glass transition.en
dc.format.mimetypeapplication/pdf
dc.language.isoengpt_BR
dc.relation.ispartofPhysical review. E, Statistical, nonlinear, and soft matter physics. Vol. 87, no. 1 (Jan. 2013), 012139, 4 p.pt_BR
dc.rightsOpen Accessen
dc.subjectFerromagnetismopt_BR
dc.subjectParamagnetismopt_BR
dc.subjectVidros de spinpt_BR
dc.titleInverse melting and inverse freezing in a three-state spin-glass model with finite connectivitypt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000897732pt_BR
dc.type.originEstrangeiropt_BR


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