Vibrational anharmonicities revealed by coherent two-dimensional infrared spectroscopy
Vibrational anharmonicities revealed by coherent two-dimensional infrared spectroscopy
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DOI：
10.1103/physrevlett.86.2154
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发表时间：
2001-03-05
影响因子：
8.6
通讯作者：
Tokmakoff, A
中科院分区：
文献类型：
--
作者：
Golonzka, O;Khalil, M;Tokmakoff, A
二维红外光子回波光谱已被用来描述两个耦合分子振动的非谐核势。二维谱显示对角线和对角线特征，每个特征由两个峰组成。这些峰之间的分裂与非谐性直接相关，而对角线和非对角线特征的相对幅度描述了相互作用的偶极子之间的投影角。
Two-dimensional infrared photon echo spectroscopy has been used to describe the anharmonic nuclear potential of two coupled molecular vibrations. The two-dimensional spectrum shows diagonal and of diagonal features, each composed of two peaks. The splitting between these peaks is directly related to the anharmonicity, while the relative amplitude of the diagonal and off-diagonal features describes the projection angle between interacting dipoles.