EFFECTS OF INTERMOLECULAR VIBRONIC DEPHASINGS ON TIME-RESOLVED SUM-FREQUENCY GENERATION FROM MOLECULES AT AN INTERFACE

被引：1
|
作者：
KATO, T [1 ]
HAYASHI, M [1 ]
FUJIMURA, Y [1 ]
机构：
[1] TOHOKU UNIV,FAC SCI,DEPT CHEM,SENDAI,MIYAGI 980,JAPAN
来源：
CHEMICAL PHYSICS LETTERS | 1992年 / 194卷 / 4-6期
关键词：
D O I：
10.1016/0009-2614(92)86069-T
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Effects of intermolecular vibronic dephasings on time-resolved sum-frequency generation (SFG) from molecules at an interface are theoretically studied by using the perturbative density matrix method with the aid of the Liouville-space Feynman diagram. Intermolecular coherence created at the interface is lost due to intermolecular vibronic dephasings. A nonexponential time dependence of the SFG time profile is predicted as a result of intermolecular distance dependence of the dephasing.
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收藏
页码：380 / 385
页数：6
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