Observation of core electron temperature rise in response to an edge cooling in toroidal helical plasmas

N. Tamura, S. Inagaki, K. Ida, T. Shimozuma, S. Kubo, T. Tokuzawa, K. Tanaka, S. V. Neudatchin, K. Itoh, D. Kalinina, S. Sudo, Y. Nagayama, K. Ohkubo, K. Kawahata, A. Komori

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Abstract

The first observation of a significant rise of core electron temperature in response to edge cooling in a helical plasma has been made on the Large Helical Device [O. Motojima, Phys. Plasmas 6, 1843 (1999)]. When the phenomenon occurs, the electron heat diffusivity in the core region is reduced abruptly without changing local parameters in the region of interest. Therefore the phenomenon can be regarded as a so-called "nonlocal" electron temperature rise observed so far only in many tokamaks.

Original languageEnglish
Article number110705
Pages (from-to)1-4
Number of pages4
JournalPhysics of Plasmas
Volume12
Issue number11
DOIs
Publication statusPublished - 2005

All Science Journal Classification (ASJC) codes

  • Condensed Matter Physics

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    Tamura, N., Inagaki, S., Ida, K., Shimozuma, T., Kubo, S., Tokuzawa, T., Tanaka, K., Neudatchin, S. V., Itoh, K., Kalinina, D., Sudo, S., Nagayama, Y., Ohkubo, K., Kawahata, K., & Komori, A. (2005). Observation of core electron temperature rise in response to an edge cooling in toroidal helical plasmas. Physics of Plasmas, 12(11), 1-4. [110705]. https://doi.org/10.1063/1.2131047