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Temperature variation of Grüneisen parameter in alkali metals

  • Physics of Condensed Matter
  • Published:
Acta Physica Academiae Scientiarum Hungaricae

Abstract

The temperature variation of theGrüneisen parameter γ G (T) for alkali metals is computed from the observed pressure derivatives of elastic constants using a modified angular force model. ModeGrüneisen parameters, γq,j are calculated as a function of the wave vectorq along the six directions in reciprocal space and are averaged by a modification ofHouston’s six term integration procedure. The values of γ G (T) are in reasonable agreement with the experimental data.

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Authors and Affiliations

  1. Department of Physics, Allahabad University, Allahabad, India

    L. P. Pathak, B. P. Singh & M. P. Hemkar

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  1. L. P. Pathak
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  2. B. P. Singh
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  3. M. P. Hemkar
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Pathak, L.P., Singh, B.P. & Hemkar, M.P. Temperature variation of Grüneisen parameter in alkali metals. Acta Physica 48, 109–116 (1980). https://doi.org/10.1007/BF03157244

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  • DOI: https://doi.org/10.1007/BF03157244

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