Phase separation in the Hubbard model

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dc.creatorMacridin, A.
dc.creatorJarrell, M.
dc.creatorMaier, Th.
dc.date2005-06-06
dc.date2006-06-26
dc.date.accessioned2026-07-07T06:37:56Z
dc.date.available2026-07-07T06:37:56Z
dc.descriptionPhase separation in the Hubbard model is investigated with the dynamical cluster approximation. We find that it is present in the paramagnetic solution for values of filling smaller than one and at finite temperature when a positive next-nearest neighbor hopping is considered. The phase separated region is characterized by a mixture of a strongly correlated metallic and Mott insulating phases. Our results indicate that phase separation is driven by the formation of doped regions with strong antiferromagnetic correlations and low kinetic energy
dc.descriptionaccepted for publication in PRB
dc.identifierhttps://arxiv.org/abs/cond-mat/0506148
dc.identifierhttp://arxiv.org/abs/cond-mat/0506148
dc.identifierPhys. Rev. B 74, 085104 (2006)
dc.identifierdoi:10.1103/PhysRevB.74.085104
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/100563
dc.subjectStrongly Correlated Electrons
dc.titlePhase separation in the Hubbard model
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