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A note on Lindhard's representation for transverse and longitudinal dielectric constants

  • D. G. Frood (a1) and B. K. P. Scaife (a2)
Abstract

Lindhard's relation between the transverse and longitudinal permittivities and the magnetic susceptibility is shown to be incorrect. The tensorial nature of the wave-vector- and frequency-dependent dielectric permittivity is emphasized. A Vlasov plasma is used as an illustrative counter-example.

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References
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Lifshitz, E. M. & Pitaevskii, L. P. 1982 Physical Kinetics. Pergamon.
Lindhard, J. 1954 Dan. Mat. Fys. Medd. 28, No. 8, 1.
Sommerfeld, A. 1964 Electrodynamics. Academic.
Thompson, W. B. 1961 Rep. Prog. Phys. 24, 263.
Thompson, W. B. 1962 An Introduction to Plasma Physics. Addison-Wesley.
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Journal of Plasma Physics
  • ISSN: 0022-3778
  • EISSN: 1469-7807
  • URL: /core/journals/journal-of-plasma-physics
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