Kinematical and Dynamical Inelastic Light Scattering in Conducting Crystals
作者:
O. Keller,
期刊:
Spectroscopy Letters
(Taylor Available online 1978)
卷期:
Volume 11,
issue 3
页码: 187-211
ISSN:0038-7010
年代: 1978
DOI:10.1080/00387017808067745
出版商: Taylor & Francis Group
数据来源: Taylor
摘要:
Fundamentals of the kinematical quantum theory of inelastic light scattering from electronic excitations in conducting crystals are reviewed. Keeping both the →Δ and →p·→A terms in the photon-electron interaction the general expression for the differential scattering cross-section is obtained. Emphasizing opacity effects and anisotropies arising from the Doppler shift the scattering kinematics is analyzed. The scattering from free-carrier density fluctuations is considered briefly. The basic concepts of a recently established phenomenological theory of dynamical light diffraction in opaque crystals are discussed, and some aspects of a predicted phonon induced anomalous transmission of light below the plasma edge in semiconductors are studied.
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