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Polarization and magnetization in collisional and turbulent transport processes
http://hdl.handle.net/10655/00013165
http://hdl.handle.net/10655/000131656a85574b-718e-4b80-983c-b5ceb48ebee2
名前 / ファイル | ライセンス | アクション |
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13431_Phys.Plasmas (256.9 kB)
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VoR_Phys.Plasmas_29_052509 (773.2 kB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2022-05-23 | |||||
タイトル | ||||||
タイトル | Polarization and magnetization in collisional and turbulent transport processes | |||||
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, Hideo
× SUGAMA, Hideo× MATSUOKA, Seikichi× NUNAMI, Masanori |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0001-5444-1758 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Expressions of polarization and magnetization in magnetically confined plasmas are derived, which include full expansions in the gyroradius to treat effects of both equilibrium and microscopic electromagnetic turbulence. Using the obtained expressions, densities and flows of particles are related to those of gyrocenters. To the first order in the normalized gyroradius expansion, the mean part of the particle flow is given by the sum of the gyrocenter flow and the magnetization flow, which corresponds to the so-called magnetization law in drift kinetics, while the turbulent part contains the polarization flow as well. Collisions make an additional contribution to the second-order particle flow. The mean particle flux across the magnetic surface is of the second-order, and it contains classical, neoclassical, and turbulent transport processes. The Lagrangian variational principle is used to derive the gyrokinetic Poisson and Ampère equations, which properly include mean and turbulent parts so as to be useful for full-f global electromagnetic gyrokinetic simulations. It is found that the second-order Lagrangian term given by the inner product of the turbulent vector potential and the drift velocity consisting of the curvature drift and the ∇B drift should be retained in order for the derived Ampère equation to correctly include the diamagnetic current, which is necessary especially for the full-f high-beta plasma simulations. The turbulent parts of these gyrokinetic Poisson and Ampère equations are confirmed to agree with the results derived from the WKB representation in earlier works. | |||||
書誌情報 |
Physics of Plasmas 巻 29, 号 5, p. 052509, 発行日 2022-05-19 |
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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 | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1063/5.0080636 | |||||
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 29, 052509 (2022) and may be found at https://doi.org/10.1063/5.0080636. | |||||
権利 | ||||||
権利情報 | Copyright 2022 Author(s). This article is distributed under a Creative Commons Attribution (CC BY) License. | |||||
情報源 | ||||||
関連名称 | H. Sugama, S. Matsuoka, and M. Nunami , "Polarization and magnetization in collisional and turbulent transport processes", Physics of Plasmas 29, 052509 (2022) https://doi.org/10.1063/5.0080636 | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/5.0080636 | |||||
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 | ||||||
13431 |