Novel relaxation time approximation: a consistent calculation of transport coefficients with QCD-inspired relaxation times

ACTA PHYSICA POLONICA B PROCEEDINGS SUPPLEMENT(2022)

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摘要
We use a novel formulation of the relaxation time approximation to consistently calculate the bulk and shear viscosity coefficients using QCD-inspired energy-dependent relaxation times and phenomenological thermal masses obtained from fits to lattice QCD thermodynamics. The matching conditions are conveniently chosen to simplify the computations.
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