The Raman Effect in Rocksalt


THE theory of the Raman effect in crystals, as found in the literature, is rather unsatisfactory. Apart from some general symmetry considerations, the only attempt known to us of establishing definite formulæ is that by Fermi and Rasetti1 who gave the correct expressions in a general way for explaining the observations on rocksalt. These observations made by Rasetti2 show clearly a continuous spectrum with small superimposed peaks. The theory mentioned explains this general aspect satisfactorily; but Fermi and Rasetti find the formulæ too complicated for quantitative discussion.


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    Fermi, E., and Rasetti, F., Z. Phps., 71, 689 (1931).

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  2. 2

    Rasetti, F., Nature, 127, 626 (1931).

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    Krishnan, R. S., Proc. Ind. Acad. Sci., A, 18, 298 (1943).

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    Kellermann, E. W., Phil. Trans., A, 238, 513 (1940). A. St.

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BORN, M., BRADBURN, M. The Raman Effect in Rocksalt. Nature 156, 567 (1945).

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