On the QCD phase structure from effective models

Details On the QCD phase structure from effective models On the QCD phase structure from effective models

2008-12-15

arxiv.org/abs/0812.2855v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 4 figures, talk given by BJS at the 30th International School of Nuclear Physics, "Heavy Ion Collisions from the Coul

Scientific paper

Some recent theoretical developments of the QCD phase diagram are summarized. Chiral symmetry restoration and the confinement/deconfinement transition at nonzero temperature and quark densities are analyzed in the framework of an effective linear sigma model with three light quark flavors. The sensitivity of the chiral transition as well as the existence of a critical end point in the phase diagram on the value of the sigma mass is explored. The influence of the axial anomaly on the chiral critical surface is addressed. Finally, the modifications by the inclusion of the Polyakov loop on the phase structure are investigated.

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