Photoelectron momentum distributions in the strong-field ionization of atomic hydrogen by few-cycle elliptically polarized optical pulses

被引：2
|
作者：
Douguet, Nicolas [1 ]
Bartschat, Klaus [2 ]
机构：
[1] Kennesaw State Univ, Dept Phys, Marietta, GA 30060 USA
[2] Drake Univ, Dept Phys & Astron, Des Moines, IA 50311 USA
来源：
PHYSICAL REVIEW A | 2022年 / 106卷 / 05期
基金：
美国国家科学基金会;
关键词：
DELAY;
D O I：
10.1103/PhysRevA.106.053112
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We investigate the strong-field ionization of atomic hydrogen in a few-cycle elliptically polarized infrared pulse by solving the time-dependent Schrodinger equation. The dependence of the photoelectron momentum distribution on the pulse intensity, ellipticity, length, envelope, and carrier envelope phase is analyzed. In particular, we explain the variation of the electron offset angle with asymptotic electron energy through the combined action of the field and the Coulomb potential, and demonstrate that low-ellipticity pulses make it possible to access the electron release time.
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页数：11
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