Up-shifted frequency electron-cyclotron current drive in a lower hybrid current drive plasma

T. Maekawa, T. Maehara, T. Minami, Y. Kishigami, T. Kishino, K. Makino, K. Hanada, M. Nakamura, Y. Terumichi, S. Tanaka

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

Using oblique injection of electron-cyclotron (EC) waves, launched from the low field side of the WT-3 tokamak, into a target plasma sustained by lower hybrid current drive (LHCD), the plasma current is ramped up at a rate corresponding to 100 kA/s. The current ramp-up is ascribed to selective EC heating of tail electrons in the LHCD plasma via fundamental EC resonance at an up-shifted frequency due to the Doppler effect.

Original languageEnglish
Pages (from-to)2561-2564
Number of pages4
JournalPhysical Review Letters
Volume70
Issue number17
DOIs
Publication statusPublished - Jan 1 1993
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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