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题名: Theoretical investigation of the origin of the multipeak structure of kinetic-energy-release spectra from charge-resonance-enhanced ionization of H-2(+) in intense laser fields
作者: He, Haixiang1, 2;  Lu, Ruifeng3;  Zhang, Peiyu1;  Guo, Yahui1, 2;  Han, Keli1;  He, Guozhong1
刊名: PHYSICAL REVIEW A
发表日期: 2011-09-26
DOI: 10.1103/PhysRevA.84.033418
卷: 84, 期:3
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Optics ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Optics ;  Physics
英文摘要: The dynamics of hydrogen molecular ions in intense laser pulses (100 fs, I = 0.77 x 10(14) W/cm(2) to 2.5 x 10(14) W/cm(2)) has been studied, and the kinetic-energy-release spectra of Coulomb explosion channel have been calculated by numerically solving the time-dependent Schrodinger equation. In a recent experiment, a multipeak structure from charge-resonance-enhanced ionization is interpreted by a vibrational "comb" at a critical nuclear distance. We found that the peaks could not be attributed to a single vibrational level but a collective contribution of some typical vibrational states in our calculated Coulomb explosion spectra, and the main peak shifts toward the low-energy region with increasing vibrational level, which is also different from the explanation in that experiment. We have also discussed the proton's kinetic-energy-release spectra for different durations with the same laser intensity.
关键词[WOS]: DISSOCIATION DYNAMICS ;  MOLECULES
语种: 英语
WOS记录号: WOS:000295216700012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142337
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.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 10039, Peoples R China
3.Nanjing Univ Sci & Technol, Dept Appl Phys, Nanjing 210094, Peoples R China

Recommended Citation:
He, Haixiang,Lu, Ruifeng,Zhang, Peiyu,et al. Theoretical investigation of the origin of the multipeak structure of kinetic-energy-release spectra from charge-resonance-enhanced ionization of H-2(+) in intense laser fields[J]. PHYSICAL REVIEW A,2011,84(3).
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