DocumentCode :
1219250
Title :
Instability of Electromagnetic Ion Cyclotron Harmonic Waves in Plasmas
Author :
Lee, Kai Fong
Author_Institution :
Department of Electronics the Chinese University of Hong Kong Shatin, N. T., Hong Kong
Volume :
3
Issue :
3
fYear :
1975
Firstpage :
122
Lastpage :
125
Abstract :
The stability of electromagnetic ion cyclotron harmonic waves propagating normal to an external magnetic field is studied for plasmas whose ions possess loss cone type velocity distributions. It is found that, if the ions are stationary, no instability develops except in the extreme case when the ratio of parallel to perpendicular "temperatures" of the ions is of the order mi/me, where mi and me are the ion and electron masses respectively. However, for the case of two counterstreaming ion beams in a neutralizing background of electrons, instability at zero frequency and near the first several ion cyclotron harmonics can occur if the streaming velocity is of the order of the electron thermal speed.
Keywords :
Cyclotrons; Electromagnetic fields; Electromagnetic propagation; Electromagnetic scattering; Electron beams; Magnetic fields; Plasma stability; Plasma temperature; Plasma waves; Propagation losses;
fLanguage :
English
Journal_Title :
Plasma Science, IEEE Transactions on
Publisher :
ieee
ISSN :
0093-3813
Type :
jour
DOI :
10.1109/TPS.1975.4316890
Filename :
4316890
Link To Document :
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