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  1. F300 宇宙地球環境研究所
  2. F300a 雑誌掲載論文
  3. 学術雑誌

Non-MHD effects in the nonlinear development of the MHD-scale Rayleigh-Taylor instability

http://hdl.handle.net/2237/27083
http://hdl.handle.net/2237/27083
678d4bf4-0c97-4251-a6b9-5ec2aabf945b
名前 / ファイル ライセンス アクション
1_4991409.pdf 1_4991409.pdf ファイル公開日:2018/07/07 (4.8 MB)
Item type 学術雑誌論文 / Journal Article(1)
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

WEKO 73964

en Takayuki, Umeda

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Yasutaka, Wada

× Yasutaka, Wada

WEKO 73965

en Yasutaka, Wada

Search repository
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
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
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