Finite-temperature chiral transitions in QCD with the Wilson quark action

Details Finite-temperature chiral transitions in QCD with the Wilson quark action Finite-temperature chiral transitions in QCD with the Wilson quark action

1997-10-08

arxiv.org/abs/hep-lat/9710031v1

Nucl.Phys.Proc.Suppl. 63 (1998) 397-399

Physics

High Energy Physics

High Energy Physics - Lattice

LaTeX, 3 pages, 4 EPS figures, Talk presented at LATTICE97 (finite temperature)

Scientific paper

10.1016/S0920-5632(97)00781-0

We investigate the finite-temperature phase structure and the scaling of the chiral condensate in lattice QCD with two degenerate light quarks, using a renormalization group improved gauge action and the Wilson quark action. We obtain a phase diagram which is consistent with that from the parity-flavor breaking scenario. The scaling relation for the chiral condensate assuming the critical exponents and the scaling function of the three dimensional O(4) model is remarkably satisfied for a wide range of parameters. This indicates that the chiral transition in two flavor QCD is of second order in the continuum limit.

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