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Current drive by intense microwave pulses
The advent of high-peak-power pulsed microwave sources opens possibilities for novel current-drive schemes in tokamaks. Four such schemes are considered: accelerating phase-space buckets, overlap of relativistic electron-cyclotron harmonics, beat-wave generation and burnthrough of intense lower-hybrid waves. These schemes are found to offer one or more of the following advantages over their continuous-power counterparts: improved efficiency, improved access to the core plasma, and precise control of the deposition profile. 17 refs.
Date:
September 14, 1988
Creator:
Cohen, R. H.; Cohen, B. I.; Nevins, W. M.; Rognlien, T. D.; Bonoli, P. T. & Porkolab, M.
System:
The UNT Digital Library