摘要
从密度矩阵的微扰展式出发,在能量表象中,求出非线性谐振子 H= + 的配分函数 Z.
Starting from perturbation expanded form of density matrix,choosing energy represen- tation,the partition function Z for non-linear hartnonic oscillator has been solved.
关键词
微扰法
配分函数
非线性谐振子
量子力学
Perturbation method
Energy representation
Partition function
