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题名: Attosecond-resolution two-electron harmonic emission
作者: Feng, Liqiang1, 2;  Li, Wenliang2;  Yuan, Minghu2;  Duan, Yunbo3;  Chu, Tianshu2, 3
关键词: High-order harmonic generation ;  Two-electron effect ;  Double recombination ;  Intense laser field
刊名: PHYSICS LETTERS A
发表日期: 2015-04-17
DOI: 10.1016/j.physleta.2014.05.035
卷: 379, 期:9, 页:805-809
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Physics, Multidisciplinary
研究领域[WOS]: Physics
英文摘要: Two-electron harmonic emission from the He atom has been investigated by solving the two-electron time-dependent Schrodinger equation (TDSE), which exhibits an extended plateau and many new harmonic cutoffs beyond the classical single-electron harmonic cutoff. Theoretical analyses show that these extended new cutoffs are caused by the sequential double recombination and the nonsequential double recombination of the two electrons, which is a general characteristic for the two-electron harmonic emission and which is revealed through the investigation on laser parameter effects. Moreover, from analyzing the time-dependent wave functions, the motions of the two electrons and the single and double ionization time have been described. (C) 2014 Elsevier B.V. All rights reserved.
关键词[WOS]: IONIZATION ;  FIELD ;  GENERATION
语种: 英语
WOS记录号: WOS:000351321500001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/146048
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Liaoning Univ Technol, Coll Sci, Jinzhou 121000, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
3.Qingdao Univ, Inst Computat Sci & Engn, Lab New Fiber Mat & Modern Text, Growing Base State Key Lab, Qingdao 266071, Peoples R China

Recommended Citation:
Feng, Liqiang,Li, Wenliang,Yuan, Minghu,et al. Attosecond-resolution two-electron harmonic emission[J]. PHYSICS LETTERS A,2015,379(9):805-809.
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