Applicability of viscous hydrodynamics at RHIC

2); 3) ((1) Physics Dept.; Brookhaven National Laboratory; (3) Institute for Theoretical Physics; Denes Molnar (1; Frankfurt); Johann Wolfgang Goethe University; Pasi Huovinen (1; Purdue University; (2) RIKEN BNL Research Center

arxiv: 0907.5014 · v2 · submitted 2009-07-28 · ⚛️ nucl-th

Applicability of viscous hydrodynamics at RHIC

Denes Molnar (1 , 2) , Pasi Huovinen (1 , 3) ((1) Physics Dept. , Purdue University; (2) RIKEN BNL Research Center , Brookhaven National Laboratory; (3) Institute for Theoretical Physics , Johann Wolfgang Goethe University , Frankfurt) This is my paper

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keywords applicabilityhydrodynamicsrhicviscousaccurateapplicationsarxivbulk

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In an earlier work (arXiv:0808.0953) we established that causal Israel-Stewart viscous hydrodynamics is only accurate in RHIC applications at very low shear viscosities 4 pi eta_s / s < ~ 1.5-2. We show here that the region of applicability is significantly reduced if bulk viscosity plays a role in the dynamics.

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Applicability of viscous hydrodynamics at RHIC

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