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Quasiclassical expansion in the statistical theory of a crystal

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Abstract

A third-order (∼) quasiclassical expansion of the free energy of an anharmonic crystal with many-body interactions is calculated using the self-consistent-field approach. The region of applicability of the quasiclassical theory is discussed on the basis of a numerical calculation of the thermodynamic characteristics of ionic crystals of potassium and rubidium halides in the quasiharmonic approximation.

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Authors and Affiliations

  1. M. V. Lomonosov Moscow State University, USSR

    I. P. Bazarov, E. V. Gevorkyan & L. V. Zhuravskii

Authors
  1. I. P. Bazarov
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  2. E. V. Gevorkyan
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  3. L. V. Zhuravskii
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Additional information

Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 1, pp. 28–32, January, 1978.

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Bazarov, I.P., Gevorkyan, E.V. & Zhuravskii, L.V. Quasiclassical expansion in the statistical theory of a crystal. Soviet Physics Journal 21, 19–22 (1978). https://doi.org/10.1007/BF00896290

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  • DOI: https://doi.org/10.1007/BF00896290

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