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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
Source PublicationOpt. Express
Volume25Issue:19Pages:23082
AbstractUsing 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.
SubtypeArticle
Department量光
DOI10.1364/OE.25.023082
Funding OrganizationNational 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]
Indexed BySCI
Funding OrganizationNational 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 IDWOS:000411584600080
Citation statistics
Document Type期刊论文
Identifierhttp://ir.siom.ac.cn/handle/181231/27776
Collection量子光学重点实验室
Corresponding Authorchen_jing@iapcm.ac.cn; guoli_2006@163.com
Affiliation中国科学院上海光学精密机械研究所
Recommended Citation
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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