Raman scattering of light by 2LO-phonons

被引：0
|
作者：
L. E. Semenova
K. A. Prokhorov
机构：
[1] Russian Academy of Sciences,General Physics Institute
来源：
Journal of Experimental and Theoretical Physics | 2001年 / 92卷
关键词：
Radiation; Spectroscopy; State Physics; Field Theory; Theoretical Model;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A theory of resonance Raman scattering of light by 2LO-phonons in semiconductor crystals is presented. Wannier excitons are considered as intermediate states. Analytic expressions are obtained that take into account contributions from different chains of intermediate states. The scattering cross section is shown to be weakly dependent on the wave vector imparted to the phonon system. The theoretical model permits the calculation of the scattering cross section for the energy of the exciting radiation photon below the level of exciton resonances.
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页码：771 / 776
页数：5
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