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Phase diagram for the Anderson lattice model

dc.contributor.authorBernhard, Ben Hurpt_BR
dc.contributor.authorLacroix, Claudinept_BR
dc.contributor.authorIglesias, Jose Robertopt_BR
dc.contributor.authorCoqblin, Bernardpt_BR
dc.date.accessioned2014-10-08T02:11:25Zpt_BR
dc.date.issued2000pt_BR
dc.identifier.issn1098-0121pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/104267pt_BR
dc.description.abstractWe study the competition between the Kondo effect and the Ruderman-Kittel-Kasuya-Yosida interaction in the framework of the Anderson lattice model with an extra intersite exchange term. By using an approximation based on an atomic expansion, we obtain, for the symmetric half-filled case, a phase diagram analog to the Doniach diagram for the Kondo lattice. The qualitative and quantitative progress in the description of experimental results for the cerium Kondo compounds with respect to previous approaches is discussed. We also calculate the specific heat which exhibits a two-peak structure as a function of temperature.en
dc.format.mimetypeapplication/pdf
dc.language.isoengpt_BR
dc.relation.ispartofPhysical review. B, Condensed matter and materials physics. Woodbury. Vol. 61, no. 1 (Jan. 2000), p. 441-446pt_BR
dc.rightsOpen Accessen
dc.subjectFísicapt_BR
dc.subjectDiagramas de fasept_BR
dc.subjectModelo de Andersonpt_BR
dc.subjectEfeito kondopt_BR
dc.subjectInteracao rkkypt_BR
dc.subjectCompostos de Cériopt_BR
dc.subjectCalor especificopt_BR
dc.titlePhase diagram for the Anderson lattice modelpt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000274742pt_BR
dc.type.originEstrangeiropt_BR


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