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09 February 2025
 
  » arxiv » 1605.0279

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The general dielectric tensor for bi-kappa magnetized plasmas
Rudi Gaelzer ; Luiz Fernando Ziebell ; Anelise Ramires Meneses ;
Date 1 May 2016
AbstractIn this paper we derive the dielectric tensor for a plasma containing particles described by an anisotropic superthermal (bi-kappa) velocity distribution function. The tensor components are written in terms of the two-variables kappa plasma special functions, recently defined by Gaelzer and Ziebell [Phys. Plasmas 23, 022110 (2016)]. We also obtain various new mathematical properties for these functions, which are useful for the analytical treatment, numerical implementation and evaluation of the functions and, consequently, of the dielectric tensor. The formalism developed here and in the previous paper provides a mathematical framework for the study of electromagnetic waves propagating at arbitrary angles and polarizations in a superthermal plasma.
Source arXiv, 1605.0279
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