Raman-Scattering Selection-Rule Breaking and the Density of States in Amorphous Materials
R. ShukerVitreous State Laboratories, Physics Department, The Catholic University of America, Washington, D. C. 20017Robert W. GammonVitreous State Laboratories, Physics Department, The Catholic University of America, Washington, D. C. 20017
1970en
ABI
Аннотация
We present a calculation of the dielectric correlation function in glasses showing how the assumption of short correlation length for normal modes breaks the momentum selection rules and leads to expressions for the first-order Raman-scattering intensity in terms of the density-of-states functions and known frequency-dependent amplitudes.
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