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题名: Classical collisional trajectories as the source of strong-field double ionization of helium in the knee regime
作者: Fu, LB ;  Liu, J ;  Chen, J ;  Chen, SG
刊名: PHYSICAL REVIEW A
出版日期: 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
学科分类: Physics
通讯作者: Fu, LB , Inst Appl Phys & Computat Math, POB 8009 26, Beijing 100088, Peoples R China.
部门归属: Inst Appl Phys & Computat Math, Beijing 100088, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China; Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000168095300089
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12787
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
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):-.
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