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Distributions with excess numbers of superthermal particles are common in space environments. They are well modelled by the
isotropic kappa distribution, or, where magnetic effects are important, the kappa-Maxwellian. This paper presents a review
of some studies of electrostatic and electromagnetic waves in such plasmas, based on the associated generalized plasma dispersion
functions, Z
κ and Z
κM. In particular, the effects of low values of κ are considered, i.e. strongly accelerated distribution functions. Recently the full susceptibility tensor for oblique propagation of electromagnetic
waves in a kappa-Maxwellian magnetoplasma has been established and has been applied to the study of whistler waves. 相似文献
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