Abstract
Nondiagonal elements in the polarization operator explain the anomalous widths of some Raman lines arising at external and internal vibrations of a molecular crystal. Thermal expansion affects the widths of some lines. The treatment is in agreement with the available experimental evidence.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii Fizika, Vol. 12, No. 1, pp. 37–41, January, 1969.
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Zhidkov, L.G., Korshunov, A.V. & Tret'yakov, A.G. Temperature dependence of raman line width for a molecular crystal. Soviet Physics Journal 12, 24–27 (1969). https://doi.org/10.1007/BF00815511
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DOI: https://doi.org/10.1007/BF00815511