Escape of fundamental electron-cyclotron maser emission from the sun and stars

1989 ◽  
Vol 341 ◽  
pp. L99 ◽  
Author(s):  
P. A. Robinson
Keyword(s):  
Electron Cyclotron ◽  
The Sun ◽  
Maser Emission ◽  
Electron Cyclotron Maser ◽  
Cyclotron Maser

Electron-Cyclotron maser emission from streaming distributions

1994 ◽  
Vol 51 (1) ◽  
pp. 75-93 ◽  
Author(s):  
A. J. Willes ◽  
P. A. Robinson
Keyword(s):  
Growth Rate ◽  
Geometric Analysis ◽  
Electron Cyclotron ◽  
Mean Velocity ◽  
Maser Emission ◽  
Electron Cyclotron Maser ◽  
Cyclotron Maser ◽  
Electron Distributions ◽  
Field Lines ◽  
Elliptically Polarized

Motivated by the need to explain observed elliptically polarized emission from Jupiter, the mechanism of electron-cyclotron maser emission is considered for drifting electron distributions, where the electrons stream with a non-zero mean velocity parallel to the magnetic field lines. An analytical expression for the semirelativistic growth rate is derived and its properties analysed in detail for waves generated in the magneto-ionic modes. The main features of the growth rate are discussed, on the basis of a geometric analysis using resonant ellipses.

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