Velocity operator and Zitterbewegung of electron 速度算符和电子的颤动
The concepts of velocity operator and Zitterbewegung in some foreign textbooks in quantum mechanics are criticized and the origin thereof is analyzed. 指出了国外某些量子力学教材中关于速度算符的概念错误和相对论自由电子进行颤动的错误,分析了错误的原因。