Abstract
Under circumstances where parametric decay occurs in a plasma, a lower hybrid pump wave modulated near ion cyclotron harmonics is found to increase ion temperatures up to a factor of two over CW pump wave application.
Highlights
Lower hybrid waves may be used simultaneously for current drive and heating in tokamaks
In this letter we present data showing enhanced ion heating due to modulation of a parametrically decaying lower hybrid pump wave
Ion heating consistent with heating due to parametric decay was measured when the pump wave amplitude was constant in time
Summary
Department of Physrcs, Uniuerslty of California, Irurne, CA 92717, USA and N.S. WOLF ’ Under circumstances where parametric decay occurs in a plasma. a lower hybrid pump wave modulated near ion cyclotron harmonics is found lo increase ion temperatures up to a factor of two over CW pump wave application.
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