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Pseudoharmonic effects of phonons in heat conductivity

  • C. Malinowska-Adamska
  • L. Wojtczak
Article

Abstract

The temperature behaviour of the heat conductivity of metals is investigated in the case when the anharmonic properties of phonons are taken into account in the pseudoharmonic approximation. The results show that the pseudoharmonic effects of lattice vibrations are not negligible in calculations concerning the high temperature region. A comparison with experimental data is given for copper, silver and gold theoretically described by various potential functions.

Keywords

Thermal Resistivity Acta Phys Temperature Behaviour Lattice Vibration Harmonic Approximation 
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Copyright information

© with the authors 1979

Authors and Affiliations

  • C. Malinowska-Adamska
    • 1
  • L. Wojtczak
    • 2
  1. 1.Institute of Physics, Technical University of ŁódźUniversity of ŁódźPoland
  2. 2.Institute of PhysicsUniversity of ŁódźPoland

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