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题名: Collisional quantum interference on rotational energy transfer: physical interpretation of the interference angle
作者: Sun, MT;  Liu, J;  Ma, FC;  Sha, GH
刊名: CHEMICAL PHYSICS
发表日期: 2001-12-15
卷: 274, 期:2-3, 页:175-186
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: A dynamic model of collisional quantum interference (CQI) on rotational energy transfer in an atom-diatom system is presented, based on the first-order Born approximation of time-dependent perturbation theory and the long-range interaction potential. The interference angle, proposed by Sha, is described theoretically. The relation between the differential and the integral interference angle is shown. The key factors that the interference angle depends on are obtained. When the integral interference angle theta (TI)(S) = 90 degrees or 0 degrees, this model is the "gateway" model proposed by Gelbart and Freed or the 'complete coherence' model proposed by Alexander, respectively. If the quadrupole and dipole-quadrupole polarizibilities are not considered, i.e., Theta = 0 and beta = 0, this model is the model proposed by Sun, which has been used to simulate the CO (A(1)Pi -e(3)Sigma (-))-He experiment, and the calculated values are consistent with the experimental results. Moreover, this model can also be used to simulate molecular beam experiments to calculate differential cross-sections and differential interference angle. (C) 2001 Elsevier Science B.V. All rights reserved.
关键词[WOS]: TRIPLET MIXED STATES ;  MOLECULES ;  CO ;  PERTURBATIONS ;  BAND
语种: 英语
WOS记录号: WOS:000173015700009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/138979
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.Liaoning Univ, Dept Phys, Shenyang 110036, Peoples R China

Recommended Citation:
Sun, MT,Liu, J,Ma, FC,et al. Collisional quantum interference on rotational energy transfer: physical interpretation of the interference angle[J]. CHEMICAL PHYSICS,2001,274(2-3):175-186.
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