Nonlocal SU(3) chiral quark models at finite temperature: The role of the Polyakov loop

We analyze the role played by the Polyakov loop in the description of the chiral phase transition within the framework of nonlocal SU(3) chiral models with flavor mixing. We show that its presence provides a substantial enhancement of the predicted critical temperature, bringing it to a better agree...

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Bibliographic Details
Published inPhysics letters. B Vol. 661; no. 2-3; pp. 113 - 117
Main Authors Contrera, Gustavo A., Dumm, Daniel Gómez, Scoccola, Norberto N.
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 20.03.2008
Elsevier Science
Subjects
Exact sciences and technology
Nuclear physics
Physics
The physics of elementary particles and fields
12.39.Ki
11.30.Rd
12.38.Aw
Flavor model
Mixing
Quark model
SU theory
Chiral symmetry
Critical temperature
Phase transitions
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Summary:We analyze the role played by the Polyakov loop in the description of the chiral phase transition within the framework of nonlocal SU(3) chiral models with flavor mixing. We show that its presence provides a substantial enhancement of the predicted critical temperature, bringing it to a better agreement with the most recent results of lattice calculations.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2008.01.069