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    • Phonon drag resistivity of potassium

      Manashi Roy

      Solids Volume 2 Issue 5 May 1974 pp 273-281

    • Fulltext

       

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      Permanent link:
      https://www.ias.ac.in/article/fulltext/pram/002/05/0273-0281

    • Keywords

       

      Phonon drag; alkali metal; electrical resistivity; transport coefficient

    • Abstract

       

      The phonon drag resistivity for potassium is calculated by solving the Boltzman equations for both the electrons and phonons as opposed to the conventional method of Ziman where the phonon equation is not considered. By an application of the Schwartz inequality we can show that the drag resistivity in the present formalism is larger than that obtained by the conventional method. We substantiate this result by numerical calculation for potassium at very low temperatures, using a realistic phonon spectrum obtained from inelastic neutron scattering data.

    • Author Affiliations

       

      Manashi Roy1

      1. Tata Institute of Fundamental Research, Bombay - 400005

    • Dates

       
      Published
      May 1974
      Manuscript received
      23 October 1973
      Manuscript revised
      8 January 1974

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