Shear viscosity and spectral function of the quark matter

Details Shear viscosity and spectral function of the quark matter Shear viscosity and spectral function of the quark matter

2006-06-19

arxiv.org/abs/hep-ph/0606192v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4pages, 4figures

Scientific paper

We discuss the shear viscosity of the quark matter by using the Kubo-Mori formula. It is found that the shear viscosity is expressed in terms of the quark spectral function. If the spectral function is approximated by a modified Bright-Wigner type, the viscosity decreases as the width of the spectral function increases. We also discuss dependence of the shear viscosity on the temperature and the density.

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