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Instantaneous correlation between ELM-like MHD activity and abrupt non-local reduction of transport at internal transport barrier formation in JT-60U high-$$beta$$$$_{p}$$ plasmas

Neudatchin, S.*; Takizuka, Tomonori; Hayashi, Nobuhiko; Isayama, Akihiko; Shirai, Hiroshi; Fujita, Takaaki; Kamada, Yutaka; Koide, Yoshihiko; Ito, Kimitaka*; Miura, Yukitoshi

New type of edge-core instantaneous interplay in JT-60U high-$$beta$$$$_{p}$$ plasmas is found. Abrupt in time and wide in space reduction of electron heat flux in the core (called ITB-event) is correlated in ms timescale with the start of an ELM. This result gives a hint of the control to form the ITB immedeately and non-locally by inducing the ELM-like MHD activity.

Language

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English

Journal

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Purazuma, Kaku Yugo Gakkai-Shi

Volume

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79

Number

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12

Pages

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p.1218 - 1220

Publication Year/Month

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2003/12

Meeting title

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Held date

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Location (city)

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Location (country)

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Patent information

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PDF

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Paper URL

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http://ci.nii.ac.jp/naid/10012479213

DOI for research data

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Keywords

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Tokamak; Internal Transport Barrier; ITB-event; ELM

Research Facility

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Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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Accesses

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- Accesses

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