标题： 热密sQGP的输运性质 显示英文标题

标题： Transport properties of the hot and dense sQGP

摘要： 夸克胶子等离子体（QGP）的输运性质在有限温度和化学势的QCD介质中被研究。 我们计算了剪切粘度$\eta(T,\mu_q)$和电导率$\sigma_e(T,\mu_q)$，对于由动力学准粒子模型“DQPM”描述的相互作用的重质量宽准粒子系统，在有限温度$T$和夸克化学势$\mu_q$的情况下，采用弛豫时间近似。 我们的结果在有限温度下与格点QCD有良好一致，并清楚地显示出随着$T$和$\mu_q$的增加，输运系数的增加。 我们的结果为在RHIC的束能扫描（BES）和FAIR的CBM中研究热密物质提供了基本要素。 显示英文摘要

摘要： The transport properties of the quark gluon plasma (QGP) are studied in a QCD medium at finite temperature and chemical potential. We calculate the shear viscosity $\eta(T,\mu_q)$ and the electric conductivity $\sigma_e(T,\mu_q)$ for a system of interacting massive and broad quasi-particles as described by the dynamical quasi-particle model "DQPM" at finite temperature $T$ and quark chemical potential $\mu_q$ within the relaxation time approximation. Our results are in a good agreement with lattice QCD at finite temperature and show clearly the increase of the transport coefficients with increasing $T$ and $\mu_q$. Our results provide the basic ingredients for the study of the hot and dense matter in the Beam Energy Scan (BES) at RHIC and CBM at FAIR.