Shear Viscosity of Quark Matter

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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.
15 pages, 4 figures

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/204325

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0707.4442
 http://arxiv.org/abs/0707.4442
 Eur.Phys.J.A38:97-103,2008
 doi:10.1140/epja/i2008-10648-8

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arXiv