量子力学教材中若干内容的改进和补充

Correction and improvement of some contents of a course of quantum mechanics

为了使经典教材中的内容更加完善,对目前量子力学教材中存在的几个问题进行了分析,明确了束缚态的概念,补充了关于狄拉克符号的一些内容,对于非简并微扰论,给出了更一般的计算公式.

The study is to perfect the classical course of quantum mechanics. Some contents are corrected and improved. They are about the definition of bound states,some contents of dirae＇notation and the theory of perturbation.