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"Characteristics of the chiral phase transition in nonlocal quark models"
D. Gómez Dumm and N.N. Scoccola
Phys. Rev. C 72(1) (2005) 014909/1-11
Abstract
The characteristics of the chiral phase transition are analyzed within the framework of chiral quark models with nonlocal interactions in the mean-field approximation. In the chiral limit, we develop a semianalytic framework that allows us to explicitly determine the phase transition curve, the position of the critical points, some relevant critical exponents, etc. For the case of finite current quark masses, we show the behavior of various thermodynamical and chiral response functions across the phase transition.
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