Quantitative theory for the lateral momentum distribution after strong-field ionization

被引：30
|
作者：
Dreissigacker, Ingo [1 ]
Lein, Manfred
机构：
[1] Leibniz Univ Hannover, Inst Theoret Phys, D-30167 Hannover, Germany
来源：
CHEMICAL PHYSICS | 2013年 / 414卷
关键词：
Strong-field ionization; Angular streaking; Lateral momentum distribution; Tunneling formula; ABOVE-THRESHOLD-IONIZATION; LASER-PULSE; ATOMS; SIMULATION; GENERATION; MOLECULES; PHASE; IONS;
D O I：
10.1016/j.chemphys.2012.01.028
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
We investigate theoretical models for the lateral width of the electron momentum distribution after recollision-free strong-field ionization of atoms. We review the derivation of the tunneling formula and demonstrate that the pre-exponential factor in the saddle-point approximation cannot be neglected if quantitative results are desired. We calculate the widths for hydrogen as well as argon and neon atoms. We compare to results from the time-dependent Schrodinger equation, and to the experimental results from [L. Arissian, C. Smeenk, F. Turner, C. Trallero, A.V. Sokolov, D.M. Villeneuve, A. Staudte, P. B. Corkum, Phys. Rev. Lett. 105 (2010) 133002]. (C) 2012 Elsevier B.V. All rights reserved.
引用
收藏
页码：69 / 72
页数：4
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