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Asymmetry of Photoelectron Angular Distributions in Molecules by Intense Attosecond Extreme Ultraviolet Laser Pulses
Yu, Hua-ming1; Yuan, Kai-jun2; Sun, Zhi-gang3,4
关键词Attosecond Photoionization Coherent Electron Wave Packet Photoelectron Angular Distribution
刊名CHINESE JOURNAL OF CHEMICAL PHYSICS
2014-12-01
DOI10.1063/1674-0068/27/06/647-652
27期:6页:647-652
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Physics, Atomic, Molecular & Chemical
研究领域[WOS]Physics
关键词[WOS]PHOTOIONIZATION
英文摘要We present photoelectron angular distribution of the aligned molecular ion H-2(+) by intense ultrashort attosecond extreme ultraviolet laser pulses from numerical solutions of time-dependent Schrodinger equations. Photoionization from a superposition state of the ground 1s sigma(g) and the excited 2p sigma(u) states with pulses at photon energies above the ionization potential, (h) over bar omega>I-P, and intensity 10(14) W/cm(2), yields pulse duration dependent asymmetry of photoelectron angular distributions. We attribute the asymmetry to the periodical oscillation of the coherent electron wave packets, resulting from the interference of the two electronic states. For the processes with long pulse durations, such duration dependence is absent and symmetric angular distributions are obtained.
语种英语
WOS记录号WOS:000348272400005
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/145461
专题中国科学院大连化学物理研究所
作者单位1.Liaoning Shihua Univ, Coll Sci, Fushun 113001, Peoples R China
2.Univ Sherbrooke, Fac Sci, Chim Theor Lab, Sherbrooke, PQ J1K 2R1, Canada
3.Dalian Inst Chem Phys, Chinese Acad Sci, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
4.Dalian Inst Chem Phys, Chinese Acad Sci, Ctr Theoret & Computat Chem, Dalian 116023, Peoples R China
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Yu, Hua-ming,Yuan, Kai-jun,Sun, Zhi-gang. Asymmetry of Photoelectron Angular Distributions in Molecules by Intense Attosecond Extreme Ultraviolet Laser Pulses[J]. CHINESE JOURNAL OF CHEMICAL PHYSICS,2014,27(6):647-652.
APA Yu, Hua-ming,Yuan, Kai-jun,&Sun, Zhi-gang.(2014).Asymmetry of Photoelectron Angular Distributions in Molecules by Intense Attosecond Extreme Ultraviolet Laser Pulses.CHINESE JOURNAL OF CHEMICAL PHYSICS,27(6),647-652.
MLA Yu, Hua-ming,et al."Asymmetry of Photoelectron Angular Distributions in Molecules by Intense Attosecond Extreme Ultraviolet Laser Pulses".CHINESE JOURNAL OF CHEMICAL PHYSICS 27.6(2014):647-652.
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