强光场中模型原子的光电离

PHOTOIONIZATION OF MODEL ATOMS IN STRONG LASER FIELDS

提出一个模型原子被强光场电离的理论.它可以定性地说明阈上电离实验中已观察到的奇怪现象;将它用于双色光场中的电离,也得到与实验结果定性上一致的结论.

A theory of photoionization of model atoms in strong laser fields is presented.The theory can explain the strange phenomena observed in the experiments on the above-threshold ionization.When the theory is applied to the photoionization of atoms in two-color laser fields,a qualitative agree- ment between the theory and the experiments is also obtained.