Overtone vibrational dephasing in liquids studied by femtosecond fifth-order nonlinear spectroscopy

被引:59
作者
Tominaga, K
Yoshihara, K
机构
[1] Institute for Molecular Science, Okazaki, 444, Myodaiji
关键词
D O I
10.1103/PhysRevLett.76.987
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have directly observed vibrational dephasing of the first overtone bands in liquids by femtosecond fifth-order nonlinear spectroscopy for the first time to our knowledge. The overtone and fundamental dephasing processes have been studied for the C-D stretching of CDCl3 and the sym-methyl stretching of CD3I in neat liquid and in its binary mixture with CHCl3. Simulations based on simple stochastic theory or perturbation theory for a harmonic oscillator do not explain both the overtone and fundamental dephasing simultaneously.
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页码:987 / 990
页数:4
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