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Effect of two-center interference on molecular ionization in multiphoton ionization regime
Hu, Shilin; Chen, Jing; Hao, Xiaolei; Li, Weidong; Guo, Li; Han, Shensheng; chen_jing@iapcm.ac.cn; guoli_2006@163.com
2017
发表期刊Opt. Express
卷号25期号:19页码:23082
摘要Using solution of the full three-dimensional time-dependent Schrodinger equation (TDSE) in prolate spheroidal coordinates, we investigate the orientation dependence of ionization of H-2(+) in near-infrared laser fields. It is found that, the ionization probability decreases as a function of the alignment angle in tunneling ionization regime, while it ascends with the increase of orientation angle in multiphoton ionization regime for the internuclear distance R=2 a.u. Furthermore, the result obtained by the length gauge strong-field approximation theory is in qualitative agreement with that calculated by the TDSE but the radiation gauge strong-field approximation and molecular ADK theories fail to reproduce the TDSE result. Analysis indicates that the above intriguing feature can be ascribed to the interference between the partial electron wave packets emitted from different molecular cores, which becomes evident at low laser intensity due to increased width of the initial mechanical momentum of the photoelectron at ionization moment. In addition, when the internuclear distance increases to R=4 a. u., the ionization yields decrease vs alignment angle in both tunneling and multiphoton regimes since the electron wavefunction of the 1 sigma(g) orbit is more concentrated in the molecular axis than that of R=2 a.u.
文章类型Article
部门归属量光
DOI10.1364/OE.25.023082
资助者National Key program for Science and Technology Research and Development [2016YFA0401100]; National Basic Research Program of China [2013CB922201]; National Natural Science Foundation of China [11304329, 11334009, 11425414, 11374197, 11447114, 11504215] ; National Key program for Science and Technology Research and Development [2016YFA0401100]; National Basic Research Program of China [2013CB922201]; National Natural Science Foundation of China [11304329, 11334009, 11425414, 11374197, 11447114, 11504215] ; National Key program for Science and Technology Research and Development [2016YFA0401100]; National Basic Research Program of China [2013CB922201]; National Natural Science Foundation of China [11304329, 11334009, 11425414, 11374197, 11447114, 11504215] ; National Key program for Science and Technology Research and Development [2016YFA0401100]; National Basic Research Program of China [2013CB922201]; National Natural Science Foundation of China [11304329, 11334009, 11425414, 11374197, 11447114, 11504215]
收录类别SCI
资助者National Key program for Science and Technology Research and Development [2016YFA0401100]; National Basic Research Program of China [2013CB922201]; National Natural Science Foundation of China [11304329, 11334009, 11425414, 11374197, 11447114, 11504215] ; National Key program for Science and Technology Research and Development [2016YFA0401100]; National Basic Research Program of China [2013CB922201]; National Natural Science Foundation of China [11304329, 11334009, 11425414, 11374197, 11447114, 11504215] ; National Key program for Science and Technology Research and Development [2016YFA0401100]; National Basic Research Program of China [2013CB922201]; National Natural Science Foundation of China [11304329, 11334009, 11425414, 11374197, 11447114, 11504215] ; National Key program for Science and Technology Research and Development [2016YFA0401100]; National Basic Research Program of China [2013CB922201]; National Natural Science Foundation of China [11304329, 11334009, 11425414, 11374197, 11447114, 11504215]
WOS记录号WOS:000411584600080
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.siom.ac.cn/handle/181231/27776
专题量子光学重点实验室
通讯作者chen_jing@iapcm.ac.cn; guoli_2006@163.com
作者单位中国科学院上海光学精密机械研究所
推荐引用方式
GB/T 7714
Hu, Shilin,Chen, Jing,Hao, Xiaolei,et al. Effect of two-center interference on molecular ionization in multiphoton ionization regime[J]. Opt. Express,2017,25(19):23082.
APA Hu, Shilin.,Chen, Jing.,Hao, Xiaolei.,Li, Weidong.,Guo, Li.,...&guoli_2006@163.com.(2017).Effect of two-center interference on molecular ionization in multiphoton ionization regime.Opt. Express,25(19),23082.
MLA Hu, Shilin,et al."Effect of two-center interference on molecular ionization in multiphoton ionization regime".Opt. Express 25.19(2017):23082.
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