SIMULTANEOUS EXCITATION OF BROAD-BAND ELECTROSTATIC NOISE AND ELECTRON-CYCLOTRON WAVES IN THE PLASMA SHEET

被引：8

作者：

BERCHEM, JP ^{[1
]}

SCHRIVER, D ^{[1
]}

ASHOURABDALLA, M ^{[1
]}

机构：

[1] UNIV CALIF LOS ANGELES,DEPT PHYS,LOS ANGELES,CA 90024

来源：

GEOPHYSICAL RESEARCH LETTERS | 1991年 / 18卷 / 04期

关键词：

D O I：

10.1029/91GL00852

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Electron cyclotron harmonics and broad-band electrostatic noise (BEN) are often observed in the Earth's outer plasma sheet. While it is well known that ion beams in the plasma sheet boundary layer can generate BEN, new two dimensional electrostatic simulations show that field-aligned ion beams with a small perpendicular ring distribution can drive not only BEN, but also electron cyclotron harmonic (ECH) waves simultaneously. Simulation results are presented here using detailed diagnostics of wave properties, including dispersion relations of all wave modes.

引用

页码：729 / 732

页数：4

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