SHORT-TIME MULTIPHOTON DETACHMENT IN A ONE-DIMENSIONAL MODEL WITH VERY-SHORT-RANGE POTENTIAL

被引:18
作者
SANPERA, A
ROSOFRANCO, L
机构
[1] Departament de Física, Universitat Autònoma de Barcelona
来源
PHYSICAL REVIEW A | 1990年 / 41卷 / 11期
关键词
D O I
10.1103/PhysRevA.41.6515
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We study multiphoton ionization for a one-dimensional atom model (with only one bound state) solving numerically the Schrödinger equation. The intensity dependence of the cross section of the process is related to different ponderomotive thresholds. For very-low-intensity fields and very short times non-energy-conserving terms are dominant. The validity of perturbation theory has also been tested. © 1990 The American Physical Society.
引用
收藏
页码:6515 / 6518
页数:4
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