Finite-temperature chiral transitions in QCD with the Wilson quark action
arXiv:hep-lat/9710031 · doi:10.1016/S0920-5632(97)00781-0
Abstract
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.
LaTeX, 3 pages, 4 EPS figures, Talk presented at LATTICE97 (finite temperature)