Off-Resonance Heating of Mirror Confined Plasmas
J. C. Sprott, K. A. Connor and J. L.
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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