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Turbulence-driven zonal flows in helical systems with radial electric fields
http://hdl.handle.net/10655/3886
http://hdl.handle.net/10655/38869ada7030-4bde-4096-932d-6cfb0f7a6206
名前 / ファイル | ライセンス | アクション |
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Phys.Plasmas16_pp056101 (619.6 kB)
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Item type | 学術雑誌論文 / Journal Article_02(1) | |||||
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公開日 | 2010-10-15 | |||||
タイトル | ||||||
タイトル | Turbulence-driven zonal flows in helical systems with radial electric fields | |||||
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 |
Sugama, H.
× Sugama, H.× Watanabe, T.-H." |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | "Collisionless long-time responses of the zonal-flow potential to the initial condition and turbulence source in helical systems having radial electric fields are derived theoretically. All classes of particles in passing, toroidally trapped, and helical-ripple-trapped states are considered. The transitions between the toroidally trapped and helical-ripple-trapped states are taken into account while solving the gyrokinetic equation analytically by taking its average along the particle orbits. When the radial displacements of helical-ripple-trapped particles are reduced either by neoclassical optimization of the helical geometry lowering the radial drift or by strengthening the radial electric field Er to boost the poloidal rotation, enhanced zonal-flow responses are obtained. Under the identical conditions on the magnitude of Er and the magnetic geometry, using ions with a heavier mass gives rise to a higher zonal-flow response, and therefore the turbulent transport is expected to show a more favorable ion-mass dependence than the conventional gyro-Bohm scaling." | |||||
書誌情報 |
en : Physics of Plasmas 巻 Vol.16, 号 No.5, p. pp.056101-1 - 056101-10, 発行日 2009-02-01 |
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出版者 | ||||||
出版者 | American Institute of Physics | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/1.3077274 | |||||
権利 | ||||||
権利情報 | ? 2009 American Institute of Physics | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.3077274 | |||||
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 |