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New Baxter phase in the Ashkin-Teller model on a cubic lattice

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dc.contributor.authorSantos, J. P.
dc.contributor.authorRosa, D. S. [UNESP]
dc.contributor.authorSa Barreto, F. C.
dc.contributor.institutionUniv Fed Sao Joao del Rei
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.contributor.institutionUniversidade Federal de Minas Gerais (UFMG)
dc.date.accessioned2018-11-26T17:44:55Z
dc.date.available2018-11-26T17:44:55Z
dc.date.issued2018-02-06
dc.description.abstractThe mean field theory results are obtained from the Bogoliubov inequality for the spin-1/2 Ashkin-Teller model on a cubic lattice for different cluster sizes. The phase diagram, magnetization and free energy are obtained. From those expressions we observed a new phase in the model. Denoted in the course of this work by Baxter((2)) this new phase presents < S > not equal <sigma > not equal 0. The phase transitions between the Baxter((2)) and the others well known phases for the model are studied and classified. (C) 2017 Elsevier B.V. All rights reserved.en
dc.description.affiliationUniv Fed Sao Joao del Rei, Dept Ciencias Nat, CP 110, BR-36301160 Sao Joao Del Rei, MG, Brazil
dc.description.affiliationUniv Fed Sao Joao del Rei, Dept Matemat, CP 110, BR-36301160 Sao Joao Del Rei, Brazil
dc.description.affiliationUniv Estadual Paulista, Inst Fis Teor, CP 110, BR-01140070 Sao Paulo, SP, Brazil
dc.description.affiliationUniv Fed Minas Gerais, Dept Fis, CP 110, BR-31270901 Belo Horizonte, MG, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Inst Fis Teor, CP 110, BR-01140070 Sao Paulo, SP, Brazil
dc.description.sponsorshipConselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)
dc.description.sponsorshipIdCNPq: 142029/2017-3
dc.format.extent272-275
dc.identifierhttp://dx.doi.org/10.1016/j.physleta.2017.11.029
dc.identifier.citationPhysics Letters A. Amsterdam: Elsevier Science Bv, v. 382, n. 5, p. 272-275, 2018.
dc.identifier.doi10.1016/j.physleta.2017.11.029
dc.identifier.fileWOS000423644000006.pdf
dc.identifier.issn0375-9601
dc.identifier.urihttp://hdl.handle.net/11449/163773
dc.identifier.wosWOS:000423644000006
dc.language.isoeng
dc.publisherElsevier B.V.
dc.relation.ispartofPhysics Letters A
dc.relation.ispartofsjr0,595
dc.rights.accessRightsAcesso aberto
dc.sourceWeb of Science
dc.subjectAshkin-Teller model
dc.subjectNew Baxter phase
dc.subjectCubic lattice
dc.titleNew Baxter phase in the Ashkin-Teller model on a cubic latticeen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderElsevier B.V.
dspace.entity.typePublication
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Física Teórica (IFT), São Paulopt

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São Paulo - IFT - Instituto de Física Teórica