光子气体的热力学特征

The Thermodynanic Characteristic of Photogas

给出了光子气体的定义，指出了光子气体与普通气体之间存在的差异，求出了光子气体的内能、压强、热容量和熵等热力学特征函数。

The definition of photogas, the difference between photogas and common gases, and the U, P, Cv and S of photogas can be found in this paper.