Observation of the “self-healing” of an error field island in the large helical device

K. Narihara, K. Y. Watanabe, I. Yamada, T. Morisaki, K. Tanaka, S. Sakakibara, K. Ida, R. Sakamoto, N. Ohyabu, N. Ashikawa, M. Emoto, H. Funaba, M. Goto, H. Hayashi, H. Idei, K. Ikeda, S. Inagaki, N. Inoue, O. Kaneko, K. KawahataT. Kobuchi, A. Komori, S. Kubo, R. Kumazawa, S. Masuzaki, J. Miyazawa, S. Morita, O. Motojima, S. Murakami, S. Muto, T. Mutoh, Y. Nagayama, Y. Nakamura, H. Nakanishi, K. Nishimura, N. Noda, T. Notake, S. Ohdachi, Y. Oka, K. Ohkubo, M. Osakabe, S. Ozaki, B. J. Peterson, A. Sagara, K. Saito, H. Sasao, M. Sasao, K. Sato, M. Sato, T. Seki, T. Shimozuma, C. Shoji, S. Sudo, H. Suzuki, A. Takayama, M. Takechi, Y. Takeiri, N. Tamura, K. Toi, N. Tokuzawa, Y. Torii, K. Tsumori, T. Watari, H. Yamada, S. Yamaguchi, S. Yamamoto, K. Yamazaki, Y. Yoshimura

Research output: Contribution to journalArticlepeer-review

62 Citations (Scopus)

Abstract

It was observed that the vacuum magnetic island produced by an external error magnetic field in the large helical device shrank in the presence of plasma. This was evidenced by the disappearance of flat regions in the electron temperature profile obtained by Thomson scattering. This island behavior depended on the magnetic configuration in which the plasmas were produced.

Original languageEnglish
JournalPhysical review letters
Volume87
Issue number13
DOIs
Publication statusPublished - 2001
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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