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Non-MHD effects in the nonlinear development of the MHD-scale Rayleigh-Taylor instability
http://hdl.handle.net/2237/27083
http://hdl.handle.net/2237/27083678d4bf4-0c97-4251-a6b9-5ec2aabf945b
名前 / ファイル | ライセンス | アクション |
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-11-08 | |||||
タイトル | ||||||
タイトル | Non-MHD effects in the nonlinear development of the MHD-scale Rayleigh-Taylor instability | |||||
言語 | en | |||||
著者 |
Takayuki, Umeda
× Takayuki, Umeda× Yasutaka, Wada |
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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 2017 American Institute of Physics. 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. v.24, 2017, p.072307) and may be found at (http://dx.doi.org/10.1063/1.4991409). | |||||
抄録 | ||||||
内容記述 | The nonlinear evolution of the Rayleigh-Taylor instability (RTI) at a density shear layer transverse<br/>to magnetic field in a collisionless plasma is investigated by means of a fully kinetic<br/>Vlasov simulation with two spatial and two velocity dimensions. The primary RTI in the MHD<br/>regime develops symmetrically in a coordinate axis parallel to gravity as seen in the previous<br/>MHD simulations. The primary RTI in the Hall-MHD regime develops asymmetrically in a<br/>coordinate axis parallel to gravity. A compressible flow is formed at the secondary density shear<br/>layer by the Hall effect, which generates a strong scalar pressure gradient of ions. A Hall electric<br/>field due to the diamagnetic current results in the asymmetric flow at the tip of the finger structure.<br/>In the primary RTI with the ion gyro kinetic effect, secondary RTI with a wavelength<br/>shorter than the wavelength of the primary RTI is generated at the saturation stage of the primary<br/>RTI. A seed perturbation for the secondary RTI is excited by another secondary instability<br/>due to the coupling between the electron stress tensor and the Hall electric field. The heat<br/>flux term plays an important role in the time development of the total pressure. On the other<br/>hand, the contribution of the ion stress tensor is small in both the electric current and the total<br/>pressure. | |||||
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 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1063/1.4991409 | |||||
ISSN | ||||||
収録物識別子タイプ | PISSN | |||||
収録物識別子 | 1070-664X | |||||
書誌情報 |
en : Physics of Plasmas 巻 24, p. 072307-072307, 発行日 2017-07-07 |
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著者版フラグ | ||||||
値 | publisher | |||||
URI | ||||||
識別子 | http://doi.org/10.1063/1.4991409 | |||||
識別子タイプ | DOI | |||||
URI | ||||||
識別子 | http://hdl.handle.net/2237/27083 | |||||
識別子タイプ | HDL |