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Propagation direction of geodesic acoustic modes driven by drift wave turbulence
http://hdl.handle.net/10655/00012797
http://hdl.handle.net/10655/00012797bc46fc34-deeb-482a-81a7-bd3b668e243d
名前 / ファイル | ライセンス | アクション |
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Nucl.Fusion58_pp112005 (2.0 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-12-21 | |||||
タイトル | ||||||
タイトル | Propagation direction of geodesic acoustic modes driven by drift wave turbulence | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | zonal flows | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | GAMs | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | propagation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | dispersion relation | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | turbulence trapping | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | drift wave | |||||
キーワード | ||||||
主題Scheme | Other | |||||
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 |
Sasaki, M.
× Sasaki, M.× ITOH, Kimitaka× Kobayashi, Tatsuya× Kasuya, N.× Fujisawa, A.× ITOH, Sanae -I. |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Selection rule of the radial propagation direction of geodesic acoustic modes (GAMs) is investigated. Here, we study the influence of nonlinear coupling with drift wave turbulence on the propagation direction of GAMs. Based on wave-kinetic equation for the turbulence, the phase-space dynamics is numerically solved and the nonlinear saturated states are obtained, where the phase-space consists of the real space and the wavenumber space. A wave pattern of the GAM in a nonlinear saturated state varies to form a standing wave, outward and inward propagating waves, depending on the peak radial wavenumber of the turbulence. The impact of nonlinear coupling with turbulence is discussed by deriving the GAM dispersion relation that includes the effect of the turbulence. | |||||
書誌情報 |
Nuclear Fusion 巻 58, 号 11, p. 112005, 発行日 2018-10-03 |
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出版者 | ||||||
出版者 | IOP Publishing | |||||
出版者 | ||||||
出版者 | International Atomic Energy Agency | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00295515 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA00759871 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1088/1741-4326/aad251 | |||||
権利 | ||||||
権利情報 | This is the Accepted Manuscript version of an article accepted for publication in Nuclear Fusion. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at https://doi.org/10.1088/1741-4326/aad251. | |||||
情報源 | ||||||
関連名称 | Citation M. Sasaki et al 2018 Nucl. Fusion 58 112005 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1088/1741-4326/aad251 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
NAIS | ||||||
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