NONGYROTROPY AS A SOURCE OF INSTABILITY AND MODE-COUPLING

被引：25

作者：

BRINCA, AL ^{[1
]}

DEAGUA, LB ^{[1
]}

WINSKE, D ^{[1
]}

机构：

[1] LOS ALAMOS NATL LAB, LOS ALAMOS, NM 87544 USA

来源：

GEOPHYSICAL RESEARCH LETTERS | 1992年 / 19卷 / 24期

关键词：

D O I：

10.1029/92GL01942

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Nongyrotropic particle populations can bring about linear mode coupling in homogeneous media among the three eigenmodes of parallel propagation in gyrotropic magnetoplasmas. These interactions stimulate, in general, wave activity that does not occur in corresponding (random gyrophase) gyrotropic ambients. Solutions of the dispersion equation illustrate that simple introduction of gyrophase organization can (i) excite electrostatic (and electromagnetic) perturbations in media whose free energy sources are solely electromagnetic, and (ii) drive hybrid (both electrostatic and electromagnetic) wave growth in thoroughly stable Maxwellian plasmas.

引用

页码：2445 / 2448

页数：4

共 12 条

[1] A COMPONENT OF NONGYROTROPIC (PHASE-BUNCHED) ELECTRONS UPSTREAM FROM THE EARTHS BOW SHOCK [J].