采用Laplace变换讨论了多光子吸收过程中的跃迁几率与能级移位,并具体应用于计算Cs原子三光子吸收过程,得出了与实验相符的结果。

Applying the Laplace transform of time-dependent Shrodinger equation, we have obtained a set of equations which can be treated as the stationary eigenvalue problem. The transition probability and energy level shift of Cs atoms in the process of three photon absorption have been calculated using this method.