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	Intramolecular vibrational dynamical barrier due to extremely irrational couplings
	Ou Shu-Ching ; Wu Guo-Zhen
	2010-10-12 ; 2010-10-12
关键词	Theoretical or Mathematical/ intramolecular mechanics vibrational states/ intramolecular vibrational dynamical barrier irrational coupling resonance couplings intramolecular vibrational relaxation direct action/energy transfer stretching modes bending modes H/sub 2/O/ A3425 Intramolecular energy transfer intramolecular dynamics dynamics of van der Waals molecules A3520P Molecular rotation, vibration, and vibration-rotation constants/ H2O/bin H2/bin H/bin O/bin
中文摘要	The intramolecular vibrational dynamics due to extremely irrational couplings is demonstrated by contrast to the resonance couplings, for the three-mode case of H/sub 2/O as an example. The extremely irrational couplings are shown to impose such strong hindrance to intramolecular vibrational relaxation (IVR) that they act as barriers. They restrict the direct action/energy transfer between the two stretching modes, though they allow the transfer between a stretching and a bending modes. In contrast, the resonance is more mediated by the bending mode and leads to chaotic IVR. It is also shown that there is a region in the dynamical space in which resonance and extremely irrational couplings coexist.
语种	英语
出版者	IOP ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/81429]
专题	清华大学
推荐引用方式 GB/T 7714	Ou Shu-Ching,Wu Guo-Zhen. Intramolecular vibrational dynamical barrier due to extremely irrational couplings[J],2010, 2010.
APA	Ou Shu-Ching,&Wu Guo-Zhen.(2010).Intramolecular vibrational dynamical barrier due to extremely irrational couplings..
MLA	Ou Shu-Ching,et al."Intramolecular vibrational dynamical barrier due to extremely irrational couplings".(2010).

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