OBSERVATIONS OF CORRELATED BROAD-BAND ELECTROSTATIC NOISE AND ELECTRON-CYCLOTRON EMISSIONS IN THE PLASMA SHEET

被引：8
|
作者：
ROEDER, JL
ANGELOPOULOS, V
BAUMJOHANN, W
ANDERSON, RR
机构：
[1] UNIV CALIF LOS ANGELES,DEPT PHYS,LOS ANGELES,CA 90024
[2] MAX PLANCK INST PHYS & ASTROPHYS,INST CLIN PEDIAT,W-8046 GARCHING,GERMANY
[3] UNIV IOWA,DEPT PHYS & ASTRON,IOWA CITY,IA 52242
来源：
GEOPHYSICAL RESEARCH LETTERS | 1991年 / 18卷 / 01期
关键词：
D O I：
10.1029/90GL02036
中图分类号：
P [天文学、地球科学];
学科分类号：
07 ;
摘要：
Electric field wave observations in the central plasma sheet show the correlated occurrence of broadband electrostatic noise and electrostatic electron cyclotron harmonic emissions. A model is proposed in which the broadband emissions are electron acoustic waves generated by an observed low energy electron beam, and the cyclotron emissions are generated by the hot electron loss cone instability. The high degree of correlation between the two emissions is provided in the model by the presence of the cold electron beam population, which allows both of the plasma instabilities to grow.
引用
收藏
页码：53 / 56
页数：4
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