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Quantum theory of (femtosecond) time-resolved stimulated Raman scattering
Sun, Zhigang1; Lu, J.2; Zhang, Dong H.3,4; Lee, Soo-Y.1
刊名JOURNAL OF CHEMICAL PHYSICS
2008-04-14
DOI10.1063/1.2888551
128期:14
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]EXCITED-STATE ; BETA-CAROTENE ; ULTRAFAST DYNAMICS ; SPECTROSCOPY
英文摘要We present a complete perturbation theory of stimulated Raman scattering (SRS), which includes the new experimental technique of femtosecond stimulated Raman scattering (FSRS), where a picosecond Raman pump pulse and a ferntosecond probe pulse simultaneously act on a stationary or nonstationary vibrational state. It is shown that eight terms in perturbation theory are required to account for SRS, with observation along the probe pulse direction, and they can be grouped into four nonlinear-processes which are labeled as stimulated Raman scattering or inverse Raman scattering (IRS): SRS(I), SRS(II), IRS(I), and IRS(II). Previous FSRS theories have used only the SRS(I) process or only the "resonance Raman scattering" term in SRS(I). Each process can be represented by an overlap between a wave packet in the initial electronic state and a wave packet in the excited Raman electronic state. Calculations were performed with Gaussian Raman pump and probe pulses on displaced harmonic potentials to illustrate various features of FSRS, such as high time and frequency resolution; Raman gain for the Stokes line, Raman loss for the anti-Stokes line, and absence of the Rayleigh line in off-resonance FSRS from a stationary or decaying v = 0 state; dispersive line shapes in resonance FSRS; and the possibility of observing vibrational wave packet motion with off-resonance FSRS. (c) 2008 American Institute of Physics.
语种英语
WOS记录号WOS:000255470300014
引用统计
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/141102
专题中国科学院大连化学物理研究所
作者单位1.Nanyang Technol Univ, Sch Phys & Math Sci, Div Phys & Appl Phys, Singapore 637371, Singapore
2.Fudan Univ, Dept Chem, Shanghai 200433, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Ctr Theoret & Computat Chem, Dalian 116023, Peoples R China
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Sun, Zhigang,Lu, J.,Zhang, Dong H.,et al. Quantum theory of (femtosecond) time-resolved stimulated Raman scattering[J]. JOURNAL OF CHEMICAL PHYSICS,2008,128(14).
APA Sun, Zhigang,Lu, J.,Zhang, Dong H.,&Lee, Soo-Y..(2008).Quantum theory of (femtosecond) time-resolved stimulated Raman scattering.JOURNAL OF CHEMICAL PHYSICS,128(14).
MLA Sun, Zhigang,et al."Quantum theory of (femtosecond) time-resolved stimulated Raman scattering".JOURNAL OF CHEMICAL PHYSICS 128.14(2008).
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