Two-color transient grating spectroscopy of a two-level system

被引：0
|
作者：
Kwak, K
Cho, MH [1 ]
Fleming, GR
Agarwal, R
Prall, BS
机构：
[1] Korea Univ, Dept Chem, Seoul 136701, South Korea
[2] Korea Univ, Ctr Multidimens Spect, Seoul 136701, South Korea
[3] Univ Calif Berkeley, Dept Chem, Berkeley, CA 94720 USA
[4] Lawrence Berkeley Lab, Phys Biosci Div, Berkeley, CA 94720 USA
来源：
BULLETIN OF THE KOREAN CHEMICAL SOCIETY | 2003年 / 24卷 / 08期
关键词：
transient grating; solvation; spectroscopy;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A theoretical description and experimental demonstration of homodyne-detected two-color transient grating (2-C TG) signal are presented. By treating the coupled bath degrees of freedom as a collection of harmonic oscillators and using a short-time expansion method, approximated nonlinear response functions were obtained. An analytic expression for the two-color transient grating signal was obtained by carrying out relevant Gaussian integrals. The initial rising and decaying parts of the 2-C TG signal is shown to be critically dependent on the ultrafast inertial component of the solvation correlation function. The experimental results confirm the predictions of the theoretical model.
引用
收藏
页码：1069 / 1074
页数：6
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