Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-03-26
Physics
High Energy Physics
High Energy Physics - Phenomenology
5 pages, 6 figures
Scientific paper
10.1088/0954-3899/35/3/035003
We discuss shear viscosity of the quark matter by using Kubo formula. The shear viscosity is calculated in the framework of the quasi-particle RPA for the Nambu-Jona-Lasinio model. We obtain a formula that the shear viscosity is expressed by the quadratic form of the quark spectral function in the chiral symmetric phase. The magnitude of the shear viscosity is discussed assuming the Breit-Wigner type for the spectral function.
Fukutome Takahiko
Iwasaki Masaharu
Ohnishi Hiromasa
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