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dc.contributor.authorPikovsky, Arkadypt_BR
dc.contributor.authorGupta, Shamikpt_BR
dc.contributor.authorTeles, Tarcisio Nunespt_BR
dc.contributor.authorBenetti, Fernanda Pereira da Cruzpt_BR
dc.contributor.authorPakter, Renatopt_BR
dc.contributor.authorLevin, Yanpt_BR
dc.contributor.authorRuffo, Stefanopt_BR
dc.date.accessioned2015-03-26T01:58:33Zpt_BR
dc.date.issued2014pt_BR
dc.identifier.issn1539-3755pt_BR
dc.identifier.urihttp://hdl.handle.net/10183/114533pt_BR
dc.description.abstractWe explore ensemble inequivalence in long-range interacting systems by studying an XY model of classical spinswith ferromagnetic and nematic coupling.We demonstrate the inequivalence bymapping themicrocanonical phase diagram onto the canonical one, and also by doing the inverse mapping. We show that the equilibrium phase diagrams within the two ensembles strongly disagree within the regions of first-order transitions, exhibiting interesting features like temperature jumps. In particular, we discuss the coexistence and forbidden regions of different macroscopic states in both the phase diagrams.en
dc.format.mimetypeapplication/pdfpt_BR
dc.language.isoengpt_BR
dc.relation.ispartofPhysical review. E, Statistical, nonlinear, and soft matter physics. Vol. 90, no. 6 (Dec. 2014), 062141, 5 p.pt_BR
dc.rightsOpen Accessen
dc.subjectFerromagnetismopt_BR
dc.subjectDiagramas de fasept_BR
dc.titleEnsemble inequivalence in a mean-field XY model with ferromagnetic and nematic couplingspt_BR
dc.typeArtigo de periódicopt_BR
dc.identifier.nrb000955546pt_BR
dc.type.originEstrangeiropt_BR


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