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  1. B100 理学部/理学研究科
  2. B100a 雑誌掲載論文
  3. 学術雑誌

Effects of ion polarization and finite-β on heat transport in slab electron-temperature-gradient driven turbulencea

http://hdl.handle.net/2237/0002000220
http://hdl.handle.net/2237/0002000220
544380f2-98e1-4d67-86a9-a068fe2f316a
名前 / ファイル ライセンス アクション
5_0044435.pdf 5_0044435.pdf (2.1 MB)
Item type itemtype_ver1(1)
公開日 2021-05-31
タイトル
タイトル Effects of ion polarization and finite-β on heat transport in slab electron-temperature-gradient driven turbulencea
言語 en
著者 Maeyama, S.

× Maeyama, S.

en Maeyama, S.

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Kusaka, S.

× Kusaka, S.

en Kusaka, S.

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Watanabe, T.-H.

× Watanabe, T.-H.

en Watanabe, T.-H.

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アクセス権
アクセス権 open access
アクセス権URI http://purl.org/coar/access_right/c_abf2
権利
言語 en
権利情報 Copyright 2021 Author(s). Published under an exclusive license by AIP Publishing. This article may be downloaded for personal use only. Any other use requires prior permission of the author and AIP Publishing.The following article appeared in (Physics of Plasmas 28, 052512 (2021)) and may be found at (https://doi.org/10.1063/5.0044435).
内容記述
内容記述 Effects of kinetic ions and electromagnetic fluctuations on slab electron-temperature-gradient (ETG) driven turbulence are investigated by means of gyrokinetic simulations covering scales from electron gyroradius to ion gyroradius and electron skin depth. Linear growth rates of electrostatic ETG modes are enhanced by the ion polarization at ion gyroradius scale. Nonlinear simulations show that this low-poloidalwavenumber instability induces ion-scale eddies which cause heat transport higher than that in the adiabatic ion model. In finite-b plasma, electromagnetic fluctuations stabilize the low-wavenumber modes, and suppress the turbulent heat transport. Additionally, electromagnetic effects also weaken zonal flow generation, which slightly enhances turbulent transport than that in the electrostatic adiabatic ion model.
言語 en
内容記述タイプ Abstract
出版者
言語 en
出版者 AIP Publishing
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
出版タイプ
出版タイプ VoR
出版タイプResource http://purl.org/coar/version/c_970fb48d4fbd8a85
収録物識別子
収録物識別子タイプ PISSN
収録物識別子 1070-664X
収録物識別子
収録物識別子タイプ EISSN
収録物識別子 1089-7674
書誌情報 en : Physics of Plasmas

巻 28, p. 052512, 発行日 2021-05-25
ファイル公開日
日付 2022-05-25
日付タイプ Available
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