Keldysh theory of strong-field ionization

被引：7

作者：

Long, Zi Jian ^{[1
]}

Liu, Wing-Ki ^{[1
]}

机构：

[1] Univ Waterloo, Guelph Waterloo Phys Inst, Dept Phys & Astron, Waterloo, ON N2L 3G1, Canada

来源：

CANADIAN JOURNAL OF PHYSICS | 2010年 / 88卷 / 04期

基金：

加拿大自然科学与工程研究理事会;

关键词：

ABOVE-THRESHOLD-IONIZATION; HIGH-HARMONIC GENERATION; MULTIPHOTON IONIZATION; S-MATRIX; ATOMS; APPROXIMATION; ELECTRONS; ANATOMY; COULOMB; TUNNEL;

D O I：

10.1139/P09-111

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In this paper. we provide a detailed derivation of the strong-field ionization rates originally developed by Keldysh who introduced the strong-field approximation. Numerical results are presented to examine the saddle-point approximation, the low photoelectron energy approximation, and neglecting the interference terms, which are necessary to arrive at the simple quasistatic result, when the Keldysh parameter becomes very small.

引用

页码：227 / 245

页数：19

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