Direct Evaluation of Spatio-Temporal Change in Current Density Profile Applied to a Discharge with Neo-Classical Tearing Mode
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- SUZUKI Takahiro
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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- OIKAWA Toshihiro
- 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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- FUJITA Takaaki
- Naka Fusion Research Establishment, Japan Atomic Energy Research Institute
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An analytical method to evaluate spatio-temporal change in the current density profile directly from the motional Stark effect (MSE) diagnostic is applied to a discharge, where a neo-classical tearing mode (NTM) appeared and was stabilized by electron cyclotron current drive (ECCD). The analysis clearly shows a spatially localized decrease in current density at the magnetic island location, implying a decrease in bootstrap current due to a flattening of the pressure profile within the island. When the NTM is stabilized after the start of the ECCD application, an increase in current density at the island location is observed.
収録刊行物
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- プラズマ・核融合学会誌
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プラズマ・核融合学会誌 80 (5), 362-363, 2004
社団法人 プラズマ・核融合学会
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詳細情報 詳細情報について
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- CRID
- 1390001206513958528
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- NII論文ID
- 110003827688
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- NII書誌ID
- AN10401672
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- COI
- 1:CAS:528:DC%2BD2cXlvFWiur8%3D
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- ISSN
- 09187928
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- NDL-Digital
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可