Thermodynamics of dense matter in chiral approaches

Details Thermodynamics of dense matter in chiral approaches Thermodynamics of dense matter in chiral approaches

2010-04-29

arxiv.org/abs/1004.5299v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 2 figures, to appear in the proceedings of Excited QCD, Jan 31-Feb 6 2010, Tatra National Park, Slovakia.

Scientific paper

We discuss phases in dense hadronic and quark matter from chiral model approaches. Within PNJL models the phase diagram for various number of colors $N_c$ is studied. How phases are constrained in quantum field theories are also discussed along with the anomaly matching. An exotic phase with unbroken center symmetry of chiral group has a characteristic feature in the thermodynamics, which can be interpreted as one realization of the quarkyonic phase in QCD for $N_c=3$.

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