Effects of gluon damping rate on the viscosity coefficient of the quark-gluon plasma at finite chemical potential
Hou Defu, Li Jiarong
Abstract
By considering the Debye screening and damping rate of gluons, the viscosity coefficient of the quark-gluon plasma was evaluated via real-time finite temperature QCD in the relaxation time approximation at finite temperature and chemical potential . The results show that both the damping rate and the chemical potential cause considerable enhancements to the viscosity coefficient of hot dense quark-gluon plasma.
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