Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 65 / Number 1 / Pages 1-9
N. J. Fisch
Fusion Science and Technology / Volume 65 / Number 1 / Pages 1-9
Format:electronic copy (download)
Radio-frequency waves can penetrate thermonuclear plasmas, depositing momentum and energy with great selectivity: in select resonant ions or electrons, in select resonant regions, and with select momentum. When these waves are injected asymmetrically with respect to the toroidal direction in tokamaks, they can drive a toroidal electric current. The advantage of driving this current by waves is that a tokamak reactor might then be operated in the steady state. This lecture will review the elementary processes of wave-particle interactions in plasma that underlie the current drive effect.
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