Attosecond light pulses for probing two-electron dynamics of helium in the time domain

被引：56
|
作者：
Morishita, Toru
Watanabe, Shinichi
Lin, C. D.
机构：
[1] Univ Electrocommun, Dept Appl Phys & Chem, Chofu, Tokyo 1828585, Japan
[2] Kansas State Univ, Dept Phys, Manhattan, KS 66506 USA
来源：
PHYSICAL REVIEW LETTERS | 2007年 / 98卷 / 08期
关键词：
D O I：
10.1103/PhysRevLett.98.083003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Using attosecond light pulses to doubly ionize a two-electron wave packet of helium, we showed that the time-resolved correlated motion of the two electrons can be probed by measuring their six-dimensional momentum distributions. For simple wave packets, we showed that the measured momenta, when analyzed in appropriate coordinates, can reveal the stretching, the rotational, and the bending vibrational modes of their joint motion in momentum space, in spite of the Coulomb distortion in the final states.
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页数：4
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