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Simulation Study of Energetic Ion Driven Instabilities near the Lower Hybrid Resonance Frequency in a Plasma with Increasing Density
http://hdl.handle.net/10655/00013247
http://hdl.handle.net/10655/000132479467a376-48f6-42c1-8a8f-d45fb7d993f5
名前 / ファイル | ライセンス | アクション |
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11792_PFR (2.2 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-06-20 | |||||
タイトル | ||||||
タイトル | Simulation Study of Energetic Ion Driven Instabilities near the Lower Hybrid Resonance Frequency in a Plasma with Increasing Density | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | instabilities driven by energetic ions | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | PIC simulation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | lower hybrid resonance frequency | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ion cyclotron wave | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | ion Bernstein wave | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Large Helical Device | |||||
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 |
TOIDA, Mieko
× TOIDA, Mieko× IGAMI, Hiroe× SAITO, Kenji× AKIYAMA, Tsuyoshi× KAMIO, Shuji× SEKI, Ryosuke |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0003-2691-5068 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Using a one-dimensional electromagnetic particle code which simulates self-consistently the full ion and electron dynamics, we study instabilities driven by energetic ions injected continuously in a plasma where the density and the lower-hybrid resonance frequency ωLH increase with time. The simulation shows that the ion cyclotron harmonic wave with ω ≃ lΩi, where l is an integer and Ωi is the ion cyclotron frequency, is excited when ωLH becomes close to lΩi. When ωLH is greater than lΩi, this wave couples with the ion Bernstein mode that has the dispersion curve connecting to ωLH. It is also found that as a result of the instabilities and the wave-wave coupling, the stair-like frequency chirping with the riser Ωi appears in the magnetic fluctuations in the frequency range of ωLH. The frequency chirping has characteristics similar to the frequency chirping observed in the RF radiations at the plasma start-up phase of the LHD experiments. | |||||
書誌情報 |
Plasma and Fusion Research 巻 14, 号 Special Issue 2, p. 3401112, 発行日 2019-06-19 |
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書誌的事項 | ||||||
the 27th International Toki Conference (ITC27) & the 13th Asia Pacific Plasma Theory Conference (APPTC2018) | ||||||
出版者 | ||||||
出版者 | The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 1880-6821 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12346675 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1585/pfr.14.3401112 | |||||
権利 | ||||||
権利情報 | (c) 2019 The Japan Society of Plasma Science and Nuclear Fusion Research | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1585/pfr.14.3401112 | |||||
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 | ||||||
11792 |