Universal properties of bulk viscosity near the QCD phase transition

Physics Letters B, no. 3 (2008): 217-221

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摘要

We extract the bulk viscosity of hot quark–gluon matter in the presence of light quarks from the recent lattice data on the QCD equation of state. For that purpose we extend the sum rule analysis by including the contribution of light quarks. We also discuss the universal properties of bulk viscosity in the vicinity of a second-order phas...更多

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