A new family of exact analytic viscous hydrodynamic solutions is derived for Hubble-flow fireballs, in which shear viscosity cancels and only bulk viscosity affects the temperature evolution.
Exact solutions of relativistic perfect fluid hydrodynamics for a QCD equation of state
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abstract
We generalize a previously known class of exact analytic solutions of relativistic perfect fluid hydrodynamics for the first time to arbitrary temperature-dependent Equation of State. We investigate special cases of this class of solutions, in particular, we present hydrodynamical solutions with the Equation of State determined from lattice QCD calculations. We discuss the phenomenological relevance of these solutions as well.
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A simple family of solutions of relativistic viscous hydrodynamics for fireballs with Hubble flow and ellipsoidal symmetry
A new family of exact analytic viscous hydrodynamic solutions is derived for Hubble-flow fireballs, in which shear viscosity cancels and only bulk viscosity affects the temperature evolution.