Thermodynamics for two flavor QCD

Abstract

We conclude our analysis of the Nt=6 equation of state for two flavor QCD, first described at last year's conference. We have obtained new runs at amq=0.025 and improved runs at amq=0.0125. The results are extrapolated to mq=0, and we extract the speed of sound as well. We also present evidence for a restoration of the SU(2) X SU(2) chiral symmetry just above the crossover, but not of the axial U(1) chiral symmetry.

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