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题名: Relative phase control over tunneling ionization of H-2(+) with a synthesized omega-2 omega laser pulse
作者: Yao, Hongbin1, 2;  Guo, Wei3;  Hoffmann, Mark R.4;  Han, Keli1
刊名: PHYSICAL REVIEW A
发表日期: 2014-12-11
DOI: 10.1103/PhysRevA.90.063418
卷: 90, 期:6
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: We demonstrate an efficient scheme for controlling the tunneling ionization of a H-2(+) molecular ion. Our scheme is based on the idea that the tunneling ionization rate is highly dependent on the instantaneous magnitude of the electric field. By manipulating the relative phase of the synthesized 5-fs, 790-395-nm laser field, the fragments yielded by the tunneling ionization show a large asymmetry relative to the laser polarization. We find that the time-dependent ionization rate is sharply peaked near the antinodes of the synthesized field. Most importantly, the critical internuclear distances at which the tunneling ionization rate is enhanced depend on the field strength of the antinodes. It is well explained by tracing the laser-driven motion of the electron in the field-dressed double well potential.
关键词[WOS]: ELECTRON LOCALIZATION ;  COHERENT CONTROL ;  INTENSE-FIELD ;  2-COLOR ;  PHOTODISSOCIATION ;  DISSOCIATION ;  DYNAMICS
语种: 英语
WOS记录号: WOS:000346373300007
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/145884
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.Xinjiang Inst Engn, Dept Basic Courses, Urumqi 830091, Peoples R China
3.Univ South China, Sch Elect Engn, Hengyang 421001, Peoples R China
4.Univ N Dakota, Dept Chem, Grand Forks, ND 58202 USA

Recommended Citation:
Yao, Hongbin,Guo, Wei,Hoffmann, Mark R.,et al. Relative phase control over tunneling ionization of H-2(+) with a synthesized omega-2 omega laser pulse[J]. PHYSICAL REVIEW A,2014,90(6).
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