Lower-hybrid waves generated by anomalous Doppler resonance in auroral plasmas

被引：4

作者：

Bingham, R. ^{[1
,2
]}

Cairns, R. A. ^{[2
]}

Vorgul, I. ^{[2
]}

Shapiro, V. D. ^{[3
]}

机构：

[1] Rutherford Appleton Lab, Chilton OX11 0QX, Oxon, England

[2] Univ St Andrews, Dept Sch Math & Stat, St Andrews KY16 9SS, Fife, Scotland

[3] Univ Calif San Diego, Dept Phys, La Jolla, CA 92091 USA

来源：

JOURNAL OF PLASMA PHYSICS | 2010年 / 76卷

基金：

英国工程与自然科学研究理事会; 英国科学技术设施理事会;

关键词：

X-RAY-EMISSION; TRANSVERSE ION-ACCELERATION; SOLITARY STRUCTURES; HORSESHOE DISTRIBUTIONS; PARTICLE-ACCELERATION; ELECTRON ACCELERATION; SUPRAURORAL REGION; SOUNDING ROCKET; FIELD LINES; SOLAR-WIND;

D O I：

10.1017/S002237780999078X

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

This paper describes sonic aspects of lower-hybrid wave activity in space plasmas. Lower-hybrid waves are particularly important since they can transfer energy efficiently between electrons and ions in a collisionless magnetized plasma. We consider the 'fan' or anomalous Doppler resonance instability driven by energetic electron tails and show that it is responsible for the generation of lower-hybrid waves. We also demonstrate that observations of their intensity are sufficient to drive the modulational instability.

引用

页码：539 / 546

页数：8

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