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	Double Ionization Dynamics of Molecular Hydrogen in Ultrashort Intense Laser Fields
	Chen, Yong-Ju1,2; Yu, Shao-Gang1,2; Sun, Ren-Ping1,2; Gong, Cheng1; Hua, Lin-Qiang1; Lai, Xuan-Yang1; Quan, Wei1; Liu, Xiao-Jun1
刊名	CHINESE PHYSICS LETTERS
	2016-04-01
卷号	33期号:4
英文摘要	We experimentally investigate the double ionization of molecular hydrogen subjected to ultrashort intense laser pulses. The total kinetic energy release of the two coincident H+ ions, which provides a diagnosis of different processes to double ionization of H-2, is measured for two different pulse durations, i.e., 25 and 5 fs, and various laser intensities. It is found that, for the long pulse duration (i.e., 25 fs), the double ionization occurs mainly via two processes, i.e., the charge resonance enhanced ionization and recollision-induced double ionization. Moreover, the contributions from these two processes can be significantly modulated by changing the laser intensity. In contrast, for a few-cycle pulse of 5 fs, only the recollsion-induced double ionization survives, and in particular, this process could be solely induced by the first-return recollision at appropriate laser intensities, providing an efficient way to probe the sub-laser-cycle molecular dynamics.
WOS标题词	Science & Technology ; Physical Sciences
类目[WOS]	Physics, Multidisciplinary
研究领域[WOS]	Physics
关键词[WOS]	MOMENTUM SPECTROSCOPY ; RECOIL-ION ; PULSES
收录类别	SCI
语种	英语
WOS记录号	WOS:000374656400006
内容类型	期刊论文
源URL	[http://ir.wipm.ac.cn/handle/112942/9324]
专题	武汉物理与数学研究所_原子分子光物理研究部
作者单位	1.Chinese Acad Sci, Wuhan Inst Phys & Math, State Key Lab Magnet Resonance & Atom & Mol Phys, Wuhan 430071, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Chen, Yong-Ju,Yu, Shao-Gang,Sun, Ren-Ping,et al. Double Ionization Dynamics of Molecular Hydrogen in Ultrashort Intense Laser Fields[J]. CHINESE PHYSICS LETTERS,2016,33(4).
APA	Chen, Yong-Ju.,Yu, Shao-Gang.,Sun, Ren-Ping.,Gong, Cheng.,Hua, Lin-Qiang.,...&Liu, Xiao-Jun.(2016).Double Ionization Dynamics of Molecular Hydrogen in Ultrashort Intense Laser Fields.CHINESE PHYSICS LETTERS,33(4).
MLA	Chen, Yong-Ju,et al."Double Ionization Dynamics of Molecular Hydrogen in Ultrashort Intense Laser Fields".CHINESE PHYSICS LETTERS 33.4(2016).

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