Emission of radiation induced by pervading Alfvén waves

Zhao, G. Q.; Wu, C. S.
March 2013
Physics of Plasmas;Mar2013, Vol. 20 Issue 3, p034503
Academic Journal
It is shown that under certain conditions, propagating Alfvén waves can energize electrons so that consequently a new cyclotron maser instability is born. The necessary condition is that the plasma frequency is lower than electron gyrofrequency. This condition implies high Alfvén speed, which can pitch-angle scatter electrons effectively and therefore the electrons are able to acquire free energy which are needed for the instability.


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