Chiral and deconfinement transitions in strong coupling lattice QCD

Details Chiral and deconfinement transitions in strong coupling lattice QCD Chiral and deconfinement transitions in strong coupling lattice QCD

2010-12-07

arxiv.org/abs/1012.1509v1

PoS Lattice2010:202,2010

Physics

High Energy Physics

High Energy Physics - Lattice

Scientific paper

We investigate the QCD phase diagram based on the strong coupling expansion of the lattice QCD with one species of the staggered fermions at finite temperature (T) and chemical potential (mu). We analytically derive an effective potential including both chiral and deconfinement (Z_3) dynamics with finite coupling effects in mean-field approximations. We focus on Polyakov loop properties in whole T-mu plane, and study relations between the chiral and deconfinement crossovers. At a fixed large mu, sequencial rapid variations of the Polyakov loop are observed with increasing T. It is natural to interprete them as the "chiral induced" and "Z_3 induced" deconfinement crossovers.

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