Suppressing the effect of polarization in tunneling ionization of the hydrogen atom

被引：3

作者：

Hao, XiaoLei ^{[1
]}

Zhang, XuLing ^{[2
,3
]}

Li, WeiDong ^{[2
,3
]}

Chen, Jing ^{[1
,4
]}

机构：

[1] Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China

[2] Shanxi Univ, Inst Theoret Phys, Taiyuan 030006, Peoples R China

[3] Shanxi Univ, Dept Phys, Taiyuan 030006, Peoples R China

[4] Peking Univ, Ctr Appl Phys & Technol, Beijing 100084, Peoples R China

来源：

PHYSICAL REVIEW A | 2013年 / 87卷 / 04期

基金：

中国国家自然科学基金;

关键词：

ABOVE-THRESHOLD IONIZATION; FIELD; HELIUM; IONS;

D O I：

10.1103/PhysRevA.87.045403

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An analytic expression for the tunneling ionization rate of hydrogen atom in a static electric field after taking into account higher-order perturbation of the external field is derived. The formula shows a suppression effect on the ionization rate compared with the conventional tunneling formula and well agrees with the result of numerical solution of time-dependent Schrodinger equation. Our analysis shows that the suppression effect can be attributed to the polarization of the initial wave function induced by the external electric field.

引用

页数：4

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