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Qualitative features of the two-dimensional Raman spectrum in liquids - art. no. 244502

机译:液体中二维拉曼光谱的定性特征-艺术。没有。 244502

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摘要

The theory presented earlier [J. Kim and T. Keyes, Phys. Rev. E 66, 051110 (2002)] is analyzed to determine the information available from the two-dimensional Raman spectrum R-(5)(t(2),t(1)) in liquids. The known spectra are well represented by the sum of two products of ordinary time correlations predicted by the theory. The shape of R-(5) is related in general to the values of simple same-time averages and concepts amenable to physical intuition. Using standard models for the time correlations entering the theory, specific analytic expressions for the spectrum are obtained depending on two parameters and a time scale, and the behavior of the spectrum is mapped out in the parameter space. (c) 2005 American Institute of Physics.
机译:该理论较早提出[J. Kim和T. Keyes,物理学。修订版E 66,051110(2002)]被确定以确定可从液体中的二维拉曼光谱R-(5)(t(2),t(1))获得的信息。该理论预测的普通时间相关性的两个乘积之和很好地表示了已知光谱。 R-(5)的形状通常与简单的同时平均值和适合于物理直觉的概念的值有关。使用进入时间理论的时间相关性的标准模型,可以根据两个参数和一个时间尺度来获得频谱的特定解析表达式,并将频谱的行为映射到参数空间中。 (c)2005年美国物理研究所。

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