Asymmetry in the strong-field ionization of Rydberg atoms by few-cycle pulses -: art. no. 033002

被引：38
|
作者：
Gürtler, A
Robicheaux, F
van der Zande, WJ
Noordam, LD
机构：
[1] FOM, Inst Atom & Mol Phys, NL-1098 SJ Amsterdam, Netherlands
[2] Auburn Univ, Dept Phys, Auburn, AL 36849 USA
[3] Univ Nijmegen, Dept Mol & Laser Phys, NL-6500 GL Nijmegen, Netherlands
来源：
PHYSICAL REVIEW LETTERS | 2004年 / 92卷 / 03期
关键词：
D O I：
10.1103/PhysRevLett.92.033002
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We present measurements of the electron ejection direction in the ionization of high (n=90) Rydberg states of rubidium subjected to few-cycle radio-frequency (RF) pulses. For weak pulses we find a strong asymmetry for even (cosine) pulses and no asymmetry for odd (sine) pulses. This asymmetry disappears for pulses longer than four RF cycles. For strong pulses, very large asymmetry is found for both sine and cosine pulses that persists up to eight RF cycles and is attributed to initial state depletion effects within a cycle.
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页数：4
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