Updating the Phase Diagram of the Gross-Neveu Model in 2+1 Dimensions

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dc.creatorKneur, Jean-Loic
dc.creatorPinto, Marcus Benghi
dc.creatorRamos, Rudnei O.
dc.creatorStaudt, Ederson
dc.date2007-05-04
dc.date2007-11-15
dc.date.accessioned2026-07-07T11:20:30Z
dc.date.available2026-07-07T11:20:30Z
dc.descriptionThe method of optimized perturbation theory (OPT) is used to study the phase diagram of the massless Gross-Neveu model in 2+1 dimensions. In the temperature and chemical potential plane, our results give strong support to the existence of a tricritical point and line of first order phase transition, previously only suspected to exist from extensive lattice Monte Carlo simulations. In addition of presenting these results we discuss how the OPT can be implemented in conjunction with the Landau expansion in order to determine all the relevant critical quantities.
dc.description7 pages, 2 eps figures. Replaced with the version that matches the published one (PLB)
dc.identifierhttps://arxiv.org/abs/0705.0673
dc.identifierhttp://arxiv.org/abs/0705.0673
dc.identifierPhys.Lett.B657:136-142,2007
dc.identifierdoi:10.1016/j.physletb.2007.10.013
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/193981
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectSoft Condensed Matter
dc.subjectHigh Energy Physics - Theory
dc.titleUpdating the Phase Diagram of the Gross-Neveu Model in 2+1 Dimensions
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