用非广延统计方法研究热强子物质在NICA、FAIR和RHIC能区的Wiedemann-Franz定律违反
Violation of Wiedemann-Franz Law for Hot Hadronic Matter created at NICA, FAIR and RHIC Energies using Non-extensive Statistics
摘要：
在弛豫时间近似下，通过求解玻尔兹曼输运方程，计算了电导率和热导率。我们使用的$q$ -广义玻尔兹曼分布函数，将非扩展性的影响。随着温度和压力化学势的变化，这些量的行为已经被研究，因为系统慢慢地向热力学平衡移动。我们估算了NICA、FAIR和RHIC顶能区的Lorenz数，并研究了Lorenz数随温度、压力化学势和非广延参数$q$的变化。我们已经观察到，在高温下，非广延强子相以及平衡强子气体都违反了Wiedemann-Franz定律。
英文摘要：
We present here the computation of electrical and thermal conductivity by solving the Boltzmann transport equation in relaxation time approximation. We use the $q$-generalized Boltzmann distribution function to incorporate the effects of non-extensivity. The behaviour of these quantities with changing temperature and baryochemical potential has been studied as the system slowly moves towards thermodynamic equilibrium. We have estimated the Lorenz number at NICA, FAIR and the top RHIC energies and studied as a function of temperature, baryochemical potential and the non-extensive parameter, $q$. We have observed that Wiedemann-Franz law is violated for a non-extensive hadronic phase as well as for an equilibrated hadron gas at high temperatures.
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