Thermodynamics for two flavor QCD

C Bernard,T Blum,C Detar,Steven Gottlieb,Urs M Heller,J E Hetrick,Leo Karkkainen,Craig Mcneile,Kari Rummukainen,R L Sugar, D Toussaint,Matthew Wingate

Nuclear Physics B - Proceedings Supplements（1997）

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摘要

We conclude our analysis of the Nt = 6 equation of state (EOS) for two flavor QCD, first described at last year's conference. We have obtained new runs at amq = 0.025 and improved runs and 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)×SU(2) chiral symmetry just above the crossover, but not of the axial U(1) chiral symmetry.

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关键词

thermodynamics,speed of sound,equation of state

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