Off-Resonance Heating of Mirror Confined Plasmas

J. C. Sprott, K. A. Connor and J. L. Shohet
The University of Wisconsin, Madison, Wisconsin 53706, U.S.A.
(Received 24 November 1970; in revised form 10 August 1971)


Experiments are described in which microwave power above or below the electron-cyclotron frequency is applied to mirror confined plasmas. Above resonance, a finite heating rate is measured. Below resonance, the plasmas are expelled. The upper off-resonance heating rate and the lower off-resonance power required to expel the plasma agree with the predictions of a proposed theoretical model in which the spatial variation of the microwave electric field of the multimode cavity randomizes the electron motion.

Ref: J. C. Sprott, K. A. Connor, and J. L. Shohet, Plasma Physics 14, 269-274 (1972)

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