Finite-Temperature Phase Diagram of the Hubbard Model

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dc.creatorMigliorini, G.
dc.creatorBerker, A. N.
dc.date1998-11-16
dc.date1998-11-17
dc.date.accessioned2026-07-07T03:12:06Z
dc.date.available2026-07-07T03:12:06Z
dc.descriptionThe finite-temperature phase diagram of the Hubbard model in $d=3$ is obtained from renormalization-group analysis. It exhibits, around half filling, an antiferromagnetic phase and, between 30%--40% electron or hole doping from half filling, a new $τ$ phase in which the electron hopping strength $t$ asymptotically becomes infinite under repeated rescalings. Next to the $τ$ phase, a first-order phase boundary with very narrow phase separation (less than 2% jump in electron density) occurs. At temperatures above the $τ$ phase, an incommensurate spin modulation phase is indicated. In $d=2$, we find that the Hubbard model has no phase transition at finite temperature.
dc.descriptionRevTex, 5 pages, 3 figures submitted to PRL
dc.identifierhttps://arxiv.org/abs/cond-mat/9811233
dc.identifierhttp://arxiv.org/abs/cond-mat/9811233
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/28782
dc.subjectStrongly Correlated Electrons
dc.titleFinite-Temperature Phase Diagram of the Hubbard Model
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