NONPERTURBATIVE APPROACH TO ATOMIC MULTIPHOTON PROCESSES UNDER INTENSE, SHORT LASER-PULSES

被引：59
|
作者：
TANG, X
RUDOLPH, H
LAMBROPOULOS, P
机构：
[1] Department of Physics, University of Southern California, Los Angeles
来源：
PHYSICAL REVIEW LETTERS | 1990年 / 65卷 / 26期
关键词：
D O I：
10.1103/PhysRevLett.65.3269
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We have developed a new method and the necessary numerical procedures to solve the time-dependent Schrodinger equation for an atom in intense laser fields. This method allows us to obtain not only the total ionization rate, but also the emitted photoelectron spectrum. We report nonperturbative calculations at high intensity with extensions of the method to systems including a realistic pulse shape. The influence of the resonant intermediate states is seen in the total ionization rate as well as the photoelectron spectrum, and nonlinear ac Stark shifts are found at higher intensities.
引用
收藏
页码：3269 / 3272
页数：4
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