Shear Viscosity of Quark Matter

Details Shear Viscosity of Quark Matter Shear Viscosity of Quark Matter

2007-07-30

arxiv.org/abs/0707.4442v1

Eur.Phys.J.A38:97-103,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 4 figures

Scientific paper

10.1140/epja/i2008-10648-8

We consider the shear viscosity of a system of quarks and its ratio to the entropy density above the critical temperature for deconfinement. Both quantities are derived and computed for different modeling of the quark self-energy, also allowing for a temperature dependence of the effective mass and width. The behaviour of the viscosity and the entropy density is argued in terms of the strength of the coupling and of the main characteristics of the quark self-energy. A comparison with existing results is also discussed.

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