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题名: Wavepacket-shaping by a frequency-chirping technique
作者: Zhang, H;  Han, KL;  He, GZ;  Lou, NQ
刊名: CHEMICAL PHYSICS LETTERS
发表日期: 1998-06-19
卷: 289, 期:5-6, 页:494-499
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical ;  Physics, Atomic, Molecular & Chemical
研究领域[WOS]: Chemistry ;  Physics
英文摘要: The excited-and ground-state wavepacket behavior caused by frequency-chirping of a femtosecond laser pulse in H-2(-) photodissociation has been investigated using a time-dependent method. A positive-chirping laser pulse is found to enhance the population transfer between two energy surfaces and also decrease the ground-state wavepacket deformation under a strong laser field. In contrast, a negative-chirping laser pulse will induce a larger ground-state wavepacket deformation. In addition, the excited-state wavepacket created by a positive-chirping pulse has less spatial dispersion, while a negative-chirping laser pulse will generate a more dispersed excited-state wavepacket. This can help us shape a wavepacket, which is of significance in laser control of molecular dynamics. (C) 1998 Elsevier Science B.V. All rights reserved.
关键词[WOS]: DEPENDENT SCHRODINGER-EQUATION ;  STATE VIBRATIONAL COHERENCE ;  MOLECULAR-DYNAMICS ;  COMPUTER-SIMULATION ;  LASER-PULSE ;  QUANTUM ;  PREDISSOCIATION ;  DISSOCIATION ;  PROPAGATION ;  CSI
语种: 英语
WOS记录号: WOS:000074389300012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138485
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

Recommended Citation:
Zhang, H,Han, KL,He, GZ,et al. Wavepacket-shaping by a frequency-chirping technique[J]. CHEMICAL PHYSICS LETTERS,1998,289(5-6):494-499.
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