Causal relativistic hydrodynamics for viscous fluids

Details Causal relativistic hydrodynamics for viscous fluids Causal relativistic hydrodynamics for viscous fluids

2008-06-02

arxiv.org/abs/0806.0352v2

J.Phys.G35:104126,2008

Physics

Nuclear Physics

Nuclear Theory

4 pages, 1 figure. Contribution to the Proceedings for Quark Matter 2008, Jaipur, India, Feb. 3-10, 2008, to appear in a speci

Scientific paper

10.1088/0954-3899/35/10/104126

We report on recent results from VISH2+1, a code that solves the relativistic Israel-Stewart equations for causal viscous hydrodynamics for heavy-ion collisions with longitudinal boost invariance. We find that even ``minimal'' shear viscosity eta/s=hbar/(4pi) leads to a large reduction of elliptic flow compared to ideal fluid dynamics. We explore systematically the sensitivity of this reduction to the equation of state, system size, initial conditions, and the microscopic relaxation time in different formulations of the Israel-Stewart equations.

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