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首页> 外文期刊>Journal of Experimental and Theoretical Physics >The effect of a local field on Raman scattering in a uniaxial crystal
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The effect of a local field on Raman scattering in a uniaxial crystal

机译:局部场对单轴晶体中拉曼散射的影响

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This paper discusses the Raman scattering of light in an anisotropic crystal in the crystal optics approximation, taking into account local fields acting on the molecules. It shows that the effect of the local field reduces to the introduction of the effective Raman polarizability tensor of the molecules, which depends both on the properties of the molecules themselves and on the characteristics of the crystal at the frequencies of the incident and scattered waves. Raman scattering cross sections are obtained in a uniaxial crystal for various types of incident waves. It is shown that, in the case of an extraordinary incident wave, the local field substantially affects how the cross section depends on the direction of incidence.
机译:本文讨论了晶体光学近似的各向异性晶体中光的拉曼散射,考虑到在分子上的局部场。 结果表明,局部场的效果降低到引入分子的有效拉曼偏热性张量,这取决于分子本身的性质以及在入射和散射波的频率下晶体的特性。 拉曼散射横截面是在单轴晶体中获得的,用于各种类型的入射波。 结果表明,在非凡的入射波的情况下,局部场基本上影响横截面如何取决于入射方向。

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