Classical collisional trajectories as the source of strong-field double ionization of helium in the knee regime

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	Classical collisional trajectories as the source of strong-field double ionization of helium in the knee regime
	Fu, LB; Liu, J; Chen, J; Chen, SG; Fu, LB , Inst Appl Phys & Computat Math, POB 8009 26, Beijing 100088, Peoples R China.
刊名	PHYSICAL REVIEW A
	2001
卷号	63 期号:4 页码:-
关键词	Above-threshold-ionization Nonsequential Double-ionization Harmonic-generation Tunnel Ionization Atoms Rescattering Electron Spectra Dependence Dynamics
ISSN号	1050-2947
英文摘要	In this paper, the quasistatic model is extended to describe the double ionization of helium in an intense linearly polarized field, yielding insight into the two-electron correlation effect in the ionization dynamics. Our numerical calculations reproduce the excessive double ionization and the photoelectron spectra observed experimentally both quantitatively and qualitatively. Moreover, it is shown that the classical collisional trajectories are the main source of the double ionization in the knee regime where the double ionization yield is much higher than that predicted by the sequential single active electron models, and responsible for the unusual angular distribution of the photoelectrons.
学科主题	Physics
URL标识	查看原文
WOS记录号	WOS:000168095300089
公开日期	2012-08-29
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/12787]
专题	理论物理研究所_理论物理所1978-2010年知识产出
通讯作者	Fu, LB , Inst Appl Phys & Computat Math, POB 8009 26, Beijing 100088, Peoples R China.
推荐引用方式 GB/T 7714	Fu, LB,Liu, J,Chen, J,et al. Classical collisional trajectories as the source of strong-field double ionization of helium in the knee regime[J]. PHYSICAL REVIEW A,2001,63(4):-.
APA	Fu, LB,Liu, J,Chen, J,Chen, SG,&Fu, LB , Inst Appl Phys & Computat Math, POB 8009 26, Beijing 100088, Peoples R China..(2001).Classical collisional trajectories as the source of strong-field double ionization of helium in the knee regime.PHYSICAL REVIEW A,63(4),-.
MLA	Fu, LB,et al."Classical collisional trajectories as the source of strong-field double ionization of helium in the knee regime".PHYSICAL REVIEW A 63.4(2001):-.