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The model potential of Heine and Abarenkov may be used to calculate the band effective mass m* of a solid This is an important parameter in the calculation of many properties, of which some examples are given here. The values of m* given by Animalu and Heine have been found to be in error. The corrected values presented here are found to be in good agreement with roughly comparable quantities from detailed band calculations, and the mehtod therefore appears to be quite reliable, contrary to former opinion based on the results of Animalu and Heine.
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D. Weaire (1967) studied this question.
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