Nonlinear Effects in Electron Cyclotron Resonance Heating of Plasmas.

摘要

Mode conversion of an extraordinary wave into an upper-hybrid wave is a possible mechanism through which plasmas are heated near the electron cyclotron frequency. At the resonant layer where the mode conversion takes place the electrostatic field can attain a very large value. The ponderomotive force associated with this large amplitude upper-hybrid wave is capable of giving rise to a variety of nonlinear effects. Cavitons can be generated through nonlinear coupling of upper-hybrid envelope solitons with low-frequency lower-hybrid, electrostatic ion-cyclotron or magnetoacoustic waves. (Atomindex citation 16:079160)