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

Published online by Cambridge University Press:  13 March 2009

D. G. Frood  and
B. K. P. Scaife
D. G. Frood
Affiliation:
Department of Physics, Lakehead University, Thunder Bay, Ontario, CanadaP7B 5E1
B. K. P. Scaife
Affiliation:
Engineering School, Trinity College, Dublin 2, Ireland
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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.

Type
Research Article
Information
Journal of Plasma Physics , Volume 31 , Issue 2 , April 1984 , pp. 319 - 323
Copyright
Copyright © Cambridge University Press 1984

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References

REFERENCES

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