Magnetooptical Experiments on Broad Absorption Bands in Solids

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Abstract
The F center is discussed as an example of a point defect in solids with an associated broad absorption band. It is shown how the effect of a magnetic field on such a center can be studied by means of the Faraday effect with reference to the method of moments. The appropriate dispersion relation for obtaining the circular dichroism pattern from the Faraday rotation pattern is derived. The procedure used to evaluate numerically the dispersion relation is briefly described, and results for the F center in KI are compared with a direct observation of the effect of a magnetic field on the F band published elsewhere.

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