Interference of electrons ionized by short laser pules

被引:6
作者
Arbo, D. G. [1 ]
Yoshida, S. [2 ]
Persson, E. [2 ]
Dirnitriou, K. I. [3 ]
Burgdoerfer, J. [2 ]
机构
[1] IAFE, Inst Astron & Space Phys, CC67,SUC 28, RA-1428 Buenos Aires, DF, Argentina
[2] Vienna Univ Technol, Inst Theoret Phys, A-1040 Vienna, Austria
[3] Natl Techn Univ, Natl Hellen Res, Dept Phys, G-11635 Athens, Greece
来源
XXV INTERNATIONAL CONFERENCE ON PHOTONIC, ELECTRONIC AND ATOMIC COLLISIONS | 2007年 / 88卷
关键词
D O I
10.1088/1742-6596/88/1/012054
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We analyze the two-dimensional momentum distribution of electrons ionized by short laser pulses by solving the time-dependent Schrodinger equation. Lindner et al., [Phys. Rev. Lett. 95, 040401 (2005)] identified oscillations in the electron emission spectrum for ionization by a few-cycle pulse as a time-double slit interference. We extend this analysis to interference fringes in the momentum distributions. For longer pulses we find a complex two-dimensional interference pattern that resembles ATI rings at higher energies and displays Ramsauer-Townsend - type diffraction oscillations in the angular distribution near threshold.
引用
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页数:8
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