Ionization dynamics of a xenon atom in super-strong 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 xenon atom exposed to intense 800-nm pulses of 20-fs duration in the extensiveintensity 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(SAE) based Ammosov-Delone-Krainov(ADK) 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 regimesis also proved.

Language	:	English
Report No.	:	JAERI-Research 2003-030
Pages	:	14 Pages
Publication Year/Month	:	2003/12
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PDF	:	JAERI-Research-2003-030.pdf:0.75MB
Paper URL	:	https://doi.org/10.11484/jaeri-research-2003-030
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. : S20030030
JAEA Abstracts No. : 320078

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