期刊
CHEMICAL PHYSICS
卷 414, 期 -, 页码 69-72出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.chemphys.2012.01.028
关键词
Strong-field ionization; Angular streaking; Lateral momentum distribution; Tunneling formula
资金
- Deutsche Forschungsgemeinschaft
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.
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