Observation of the limiter H mode in the JT-60 tokamak with lower-hybrid current drive

S. Tsuji, K. Ushigusa, Y. Ikeda, T. Imai, T. Itami, M. Nemoto, K. Nagashima, Y. Koide, Y. Kawano, T. Fukuda, T. Kondoh, M. Shimada, H. Nakamura, O. Naito, H. Yoshida, T. Nishitani, H. Kubo, K. Tobita, Y. Kusama, S. IshidaM. Sato, N. Isei, T. Sugie, N. Miya, R. Yoshino, K. Uehara

研究成果: Article査読

55 被引用数 (Scopus)

抄録

The H mode was achieved in limiter discharges of a tokamak with lower-hybrid current drive for the first time. Simultaneous application of rf powers at two different frequencies such as 1.74 and 2.23 GHz or 1.74 and 2.0 GHz appeared to be effective in the attainment of the H mode. The threshold lower-hybrid power was as low as Ohmic-heating power with hydrogen plasmas. A nearly steady-state edge-localized-mode-free H mode with a duration up to 3.3 sec was established without significant impurity accumulation.

本文言語English
ページ(範囲)1023-1026
ページ数4
ジャーナルPhysical review letters
64
9
DOI
出版ステータスPublished - 1990
外部発表はい

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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