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Response of a core coherent density oscillation on electron cyclotron resonance heating in Heliotron J plasma
http://hdl.handle.net/10655/00012734
http://hdl.handle.net/10655/0001273439e6a262-c692-4389-8643-fd1cca40f10a
名前 / ファイル | ライセンス | アクション |
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Phys.Plasmas25_012513 (1.7 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-12-15 | |||||
タイトル | ||||||
タイトル | Response of a core coherent density oscillation on electron cyclotron resonance heating in Heliotron J plasma | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Kobayashi, Tatsuya
× Kobayashi, Tatsuya× Kobayashi, S.× Lu, X. X.× Kenmochi, Naoki× IDA, Katsumi× Ohshima, Shinsuke× Yamamoto, S.× KADO, Shinichiro× Kokubo, D.× NAGASAKI, Kazunobu× Okada, H.× MINAMI, Takashi× Otani, Y.× MIZUUCHI, Tohru |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0001-5669-1937 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We report properties of a coherent density oscillation observed in the core region and its response to electron cyclotron resonance heating (ECH) in Heliotron J plasma. The measurement was performed using a multi-channel beam emission spectroscopy system. The density oscillation is observed in a radial region between the core and the half radius. The poloidal mode number is found to be 1 (or 2). By modulating the ECH power with 100 Hz, repetition of formation and deformation of a strong electron temperature gradient, which is likely ascribed to be an electron internal transport barrier, is realized. Amplitude and rotation frequency of the coherent density oscillation sitting at the strong electron temperature gradient location are modulated by the ECH, while the poloidal mode structure remains almost unchanged. The change in the rotation velocity in the laboratory frame is derived. Assuming that the change of the rotation velocity is given by the background E × B velocity, a possible time evolution of the radial electric field was deduced. | |||||
書誌情報 |
Physics of Plasmas 巻 25, p. 012513, 発行日 2018-01-29 |
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出版者 | ||||||
出版者 | AIP Publishing | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1070664X | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10987555 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.5007903 | |||||
権利 | ||||||
権利情報 | This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing. This article appeared in Physics of Plasmas 25, 012513 (2018) and may be found at https://aip.scitation.org/doi/abs/10.1063/1.5007903. | |||||
権利 | ||||||
権利情報 | Copyright 2018 Author(s). This article is distributed under a Creative Commons Attribution (CC BY) License. | |||||
情報源 | ||||||
関連名称 | Physics of Plasmas 25, 012513 (2018); https://doi.org/10.1063/1.5007903 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.5007903 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 | |||||
NAIS | ||||||
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