均匀微弱电场对带电费米子体系热容量和化学势的影响

Influence of homogeneous weak electric field on the heat capacity and chemical potential of charged fermion system

从统计物理半经典(Thomas-Fermi)近似方法出发,研究均匀微弱电场中带电费米子体系的热力学性质,推导出了带电费米子体系的热容量和化学势随外电场场强的变化关系,给出了体系的热容量和化学势在高温和低温近似下的解析表达式,进而分析了均匀微弱电场对带电费米子体系热容量和化学势的影响.

In light of the semiclassical （Thomas-Fermi） approximate method, the thermodynamic proper- ties of the charged fermion system in homogeneous weak electrical field are studied. After deriving the relationship of heat capacity and chemical potential of charged fermion system changed with external electrical field, then the analytic formula of the chemical potential and heat capacity of the charged fermion system in the high and low temperature approximation condition, and the influence of the homogeneous weak electrical field on the chemical potential and heat capacity are analyzed.