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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
He, Haixiang1,2; Lu, Ruifeng3; Zhang, Peiyu1; Guo, Yahui1,2; Han, Keli1; He, Guozhong1
刊名PHYSICAL REVIEW A
2011-09-26
DOI10.1103/PhysRevA.84.033418
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
关键词[WOS]DISSOCIATION DYNAMICS ; MOLECULES
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.
语种英语
WOS记录号WOS:000295216700012
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/142337
专题中国科学院大连化学物理研究所
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
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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).
APA He, Haixiang,Lu, Ruifeng,Zhang, Peiyu,Guo, Yahui,Han, Keli,&He, Guozhong.(2011).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.PHYSICAL REVIEW A,84(3).
MLA He, Haixiang,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".PHYSICAL REVIEW A 84.3(2011).
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