Gribov参数随温度变化的Gribov-Zwanziger等离子体热力学和动力学
Thermodynamics and kinetics of Gribov-Zwanziger plasma with temperature dependent Gribov parameter
摘要：
Gribov型色散关系被视为相互作用胶子形成热介质的有效描述。的Gribov参数的温度依赖性确定从适合的晶格杨米尔斯结果描述热力学函数。为了保持该方法的热力学一致性，引入了与温度相关的袋压力。在下一步中，将平衡函数的结果推广到非平衡条件。我们推导出的松弛时间近似的体积和剪切粘度系数的公式。我们发现在相变区域的体积粘度大大增强的证据。
英文摘要：
A Gribov-type dispersion relation is treated as an effective description of interacting gluons forming a hot medium. Temperature dependence of the Gribov parameter is determined from the fit to the lattice Yang-Mills results describing thermodynamic functions. To maintain thermodynamic consistency of the approach, a temperature dependent bag pressure is introduced. The results obtained for equilibrium functions are generalised in the next step to non-equilibrium conditions. We derive formulas for the bulk and shear viscosity coefficients within the relaxation time approximation. We find evidence for largely enhanced bulk viscosity in the region of the phase transition.
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