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
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- NEUDATCHIN Sergei
- National Institute for Fusion Science Nuclear Fusion Institute, RRC “Kurchatov Institute”
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- TAKIZUKA Tomonori
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- HAYASHI Nobuhiko
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- ISAYAMA Akihiko
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- SHIRAI Hiroshi
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- FUJITA Takaaki
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- KAMADA Yutaka
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- KOIDE Yoshihiko
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- ITOH Kimitaka
- National Institute for Fusion Science
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- MIURA Yukitoshi
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
Bibliographic Information
- Other Title
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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-βp Plasmas
- Instantaneous Correlation between ELM like MHD Activity and Abrupt Non local Reduction of Transport at Internal Transport Barrier Formation in JT 60U High ベータ p Plasmas
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Description
Transport evolution in normal and reversed shear JT-60U tokamak plasmas with internal transport barrier (ITB) often occurs via non-local transport bifurcations. In the present paper, we highlight new type of edge-core instantaneous interplay in JT-60U high-βp plasmas. Abrupt in time (ms timescale) and wide in space (˜0.4 of minor radius) reduction of electron heat flux in the core (ITB-event) is correlated in ms timescale with the start of an ELM that creates enhanced level of Hα. This result gives a hint of the control to form the ITB immediately and non-locally by inducing the ELM-like MHD activity.
Journal
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- Journal of Plasma and Fusion Research
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Journal of Plasma and Fusion Research 79 (12), 1218-1220, 2003
The Japan Society of Plasma Science and Nuclear Fusion Research
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Details 詳細情報について
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- CRID
- 1390001206512985472
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- NII Article ID
- 10012479213
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- NII Book ID
- AN10401672
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- COI
- 1:CAS:528:DC%2BD2cXhvF2rsr0%3D
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- NDL BIB ID
- 6811388
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- ISSN
- 09187928
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL Search
- Crossref
- CiNii Articles
- OpenAIRE
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- Abstract License Flag
- Disallowed