By applying Feynman path integral method, the second virial coefficient of an ideal and of an interaction anyon gas in a magnetic field are calculated directly in the paper.
用费曼路径积分方法直接计算外磁场中理想任意子气体和相互作用任意子气体的第二维里系数。
2
The Feynman path-integral variational theory is the best way to compute the ground-state energy of bound polarons.