Model electron velocity distributions for mirror-confined plasmas

Saxena, A.C.; Gupta, Govind P.; Rohatgi, V. K.

doi:10.1016/0375-9601(89)90779-2

Cited by 2 publications

(1 citation statement)

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“…Most of these investigations have, however, been carried out from the viewpoint of instability analysis. Although the DGH distribution [19] has been widely used [17,20,211 to model the electron velocity distribution of mirror-confined plasmas, it is not suitable [22] to describe a plasma in a mirror confirguration with a general mirror ratio R. The aim of this paper is to investigate the propagation characteristics of 0-waves in a hot mirror-confined plasma whose electron velocity distribution is a bi-Maxwellian with a cutoff a t the loss-cone boundary (hereafter referred to as sharp-edged loss-cone distribution). The sharp-edged loss-cone (SELC) distribution is based on simple mirror theory and was originally employed by Scharer [23] to study instabilities of electron cyclotron waves propagating parallel to B,.…”

Section: Introductionmentioning

confidence: 99%

Ordinary‐wave Propagation in Mirror‐Confined Plasmas

Saxena

Gupta

Rohatgi

1990

Contrib. Plasma Phys.

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The non-relativistic dispersion relation for ordinary-waves propagating in a hot plasma confined by magnetic mirrors is derived under small gyroradius approximation. The hot electron velocity distribution is modelled by a bi-Maxwellian with a cutoff at the loss-cone boundary. The dispersion relation is analyzed from propagation point of view. It is seen that the presence of loss cones in the electron velocity distribution reduces the high temperature effects in the ordinary-wave propagation characteristics.

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