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题名: Time-dependent wavepacket approach to the influence of intense fields on the population of molecular excited states
作者: Meng, QT;  Liu, XG;  Zhang, QG;  Han, KL
通讯作者: 孟庆田
关键词: time-dependent wavepacket method ;  intense field ;  light-matter interaction ;  manipulation of molecular process
刊名: CHEMICAL PHYSICS
发表日期: 2005-09-19
DOI: 10.1016/j.chemphys.2005.04.031
卷: 316, 期:1-3, 页:93-98
收录类别: SCI
文章类型: Article
部门归属: 11
项目归属: 1101
产权排名: 2;4
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 influence of laser-field parameters, such as intensity and pulse width, on the population of molecular excited state is investigated by using the time-dependent wavepacket method. For a two-state system in intense laser fields, the populations in the upper and lower states are given by the wavefunctions obtained by solving the Schrodinger equation through split-operator scheme. The calculation shows that both the laser intensity and the pulse width have a strong effect on the population in molecular excited state, and that as the common feature of light-matter interaction (LMI), the periodic changing of the population with the evolution time in each state can be interpreted by Rabi oscillation and area-theorem. The results illustrate that by controlling these two parameters, the needed population in excited state of interest can be obtained, which provides the foundation of light manipulation of molecular processes. (C) 2005 Elsevier B.V. All rights reserved.
关键词[WOS]: THEORETICAL SPECTROSCOPY ;  MULTIPHOTON IONIZATION ;  ELECTROMAGNETIC-FIELD ;  LASER FIELD ;  POTENTIALS ;  DYNAMICS ;  PHOTODISSOCIATION ;  FREQUENCY ;  PULSES ;  SYSTEM
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000231945700012
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92649
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.Shandong Normal Univ, Coll Phys & Elect, Shandong 250014, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Meng, QT,Liu, XG,Zhang, QG,et al. Time-dependent wavepacket approach to the influence of intense fields on the population of molecular excited states[J]. CHEMICAL PHYSICS,2005,316(1-3):93-98.
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