Characteristics of the chiral phase transition in nonlocal quark models

Details Characteristics of the chiral phase transition in nonlocal quark models Characteristics of the chiral phase transition in nonlocal quark models

2004-10-19

arxiv.org/abs/hep-ph/0410262v2

Phys.Rev. C72 (2005) 014909

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pages, 5 figures. Figures 1 and 2 modified, references added, minor changes in the presentation and in the discussion of re

Scientific paper

10.1103/PhysRevC.72.014909

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 semi-analytic framework which 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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