Attosecond Dynamics of Photoexcitation of the Hydrogen Atom by Ultrashort Laser Pulses

被引：12
|
作者：
Astapenko, V. A. [1 ]
机构：
[1] Nations Res Univ, Moscow Inst Phys & Technol, Dolgoprudnyi 141701, Moscow Oblast, Russia
来源：
JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2020年 / 130卷 / 01期
关键词：
FANO RESONANCE;
D O I：
10.1134/S1063776119120124
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The dynamics of photoexcitation of the hydrogen atom in the discrete and continuous spectra under the action of laser pulses in the attosecond range of time and pulse durations has been analyzed using perturbation theory. It is shown that over time interval shorter than or on the order of pulse duration, the time dependence of the photoexcitation probability is generally oscillating by nature. It has been established that for certain values of parameters, the envelope of this dependence has a peak, the position of which is determined by the pulse duration and carrier frequency.
引用
收藏
页码：56 / 61
页数：6
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