Lower-Hybrid Current Drive in the PLT Tokamak
- 25 October 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 49 (17) , 1255-1258
- https://doi.org/10.1103/physrevlett.49.1255
Abstract
Order-of-magnitude improvements in the level and duration of current driven by lower-hybrid waves have been achieved in the PLT tokamak. Steady currents up to 165 kA have been maintained for 3.5 sec and 420 kA for 0.3 sec by 800-MHz rf power alone. The principal current carrier appears to be a high-energy (∼ 100-keV) electron tail, concentrated in the central 20- to 40-cm core of the 80-cm-diam discharge column.Keywords
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