Many-electron dynamics of a Xe atom in strong and superstrong laser fields

Yamakawa, Koichi; Akahane, Yutaka; Fukuda, Yuji; Aoyama, Makoto; Inoue, Norihiro*; Ueda, Hideki; Utsumi, Takayuki*

We report on detailed investigations of ionization dynamics of a Xe atom exposed to intense 800-nm pulses of 20-fs duration in the extensive intensity range from 10 $^{13}$ to 10 $^{18}$ W/cm $^{2}$ . Ion yields of Xe $^{+}$ to Xe $^{20+}$ were observed as a function of laser intensity and compared with the results from a single active electron based Ammosov-Delone-Krainov model. Unexpected ionization probabilities for lower charge states and also no interplay between the inner- and outer-shells by screening are inferred. Suppression of nonsequential ionization towards higher intensity and few optical cycle regimes is also proved.

Language	:	English
Journal	:	Physical Review Letters
Volume	:	92
Number	:	12
Pages	:	p.123001_1 - 123001_4
Publication Year/Month	:	2004/03
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Paper URL	:	https://doi.org/10.1103/PhysRevLett.92.123001
DOI for research data	:	Link to research data related to this paper/report.
Keywords	:	Tキューブレーザー; トンネルイオン化; 多価イオン; 希ガス原子; 相対論効果; 多電子原子
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Registration No. : A20030602
JAEA Abstracts No. : 47000060
Paper Submission No. : 20753

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