第二位力系数与体积关系的理论证明

A proof of the relationship between second virial coefficient and volume

用参数变换方法,研究了位形配分函数对体积的一次导数,得到了第二位力系数,从而证明了第二位力系数与体积无关,并对现有教材所给出的条件加以补充.

The derivation of partition function is studied by using parameter transformation method. The second virial coefficient is calculated and the independence of second virial coefficient on the volume is proved. The applied field of direct derivation method is discussed briefly.\;