• An electron fluid model for the lattice dynamics of metals

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      https://www.ias.ac.in/article/fulltext/pram/008/02/0117-0122

    • Keywords

       

      Electron fluid model; translational invariance; phonon dispersion; phenomenological model; homogeneous deformation

    • Abstract

       

      An electron fluid model is proposed for the lattice dynamics of metals which satisfies the requirement of translational invariance and the lattice is in equilibrium without recourse to external forces. The model is applied to calculate the phonon dispersion of sodium in the symmetry directions.

    • Author Affiliations

       

      S K Das1 D Roy1 S Sengupta1

      1. Solid State Physics Research Centre, Physics Department, Presidency College, Calcutta - 700012
    • Dates

       
  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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