A high-resolution global Vlasov simulation of a small dielectric body with a weak intrinsic magnetic field on the K computer

• Material Type: 記事
• Title: A high-resolution global Vlasov simulation of a small dielectric body with a weak intrinsic magnetic field on the K computer
• Author/Editor: Takayuki Umeda; Keiichiro Fukazawa
• Publication, Distribution, etc.: 日本 : Springer science+business media
• Publication Date: 2015-04-11
• Publication Date (W3CDTF): 2015-04-11
• Periodical title: EPS : Earth, Planets and Space
• No. or year of volume/issue: 67(49)
• Volume: 67(49)
• ISSN (Periodical Title): 1880-5981
• ISSN-L (Periodical Title): 1343-8832
• Text Language Code: eng
• DOI: 10.1186/s40623-015-0216-0; https://doi.org/10.1186/s40623-015-0216-0
• Persistent ID (NDL): info:ndljp/pid/9381176; https://dl.ndl.go.jp/pid/9381176
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• Collection (particular): 国立国会図書館デジタルコレクション > 電子書籍・電子雑誌 > その他; https://dl.ndl.go.jp/collections/B00035
• Acquisition Basis: オンライン資料収集制度
• Date Accepted (W3CDTF): 2015-06-08T22:01:55+09:00
• Date Captured (W3CDTF): 2015-04-20
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• Periodical Title (URI): https://www.earth-planets-space.com/content/67/April/2015
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• Periodical Title (Persistent ID (NDL)): info:ndljp/pid/13000299; https://dl.ndl.go.jp/pid/13000299
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• Bibliographic ID (NDL): 9381176; http://id.ndl.go.jp/bib/9381176
• Bibliographic Record Category (NDL): 632

• Summary, etc.: The interaction between the solar wind and solar system bodies, such as planets, satellites, and asteroids, is one of the fundamental global-scale phenomena in space plasma physics. In the present study, the electromagnetic environment around a small dielectric body with a weak intrinsic magnetic field is studied by means of a first-principle kinetic plasma simulation, which is a challenging task in space plasma physics as well as high-performance computing. Due to several computational limitations, five-dimensional full electromagnetic Vlasov simulations with two configuration space and three velocity space coordinates are performed with two different spatial resolutions. The Debye-scale charge separation is not solved correctly in the simulation run with a low spatial resolution, while all the physical processes in collisionless plasma are included in the simulation run with a high spatial resolution. The direction comparison of electromagnetic fields between the two runs shows that there is small difference in the structure of magnetic field lines. On the other hand, small-scale fine structures of electrostatic fields are enhanced by the electric charge separation and the charge accumulation on the surface of the body in the high-resolution run, while these structures are absent in the low-resolution runs. These results are consistent with the conventional understanding of plasma physics that the structure and dynamics of global magnetic fields, which are generally described by the magneto-hydro-dynamics (MHD) equations, are not affected by electron-scale microphysics.
• DOI: 10.1186/s40623-015-0216-0; https://doi.org/10.1186/s40623-015-0216-0
• Access Restrictions: インターネット公開
• Rights (production): © 2015 Umeda and Fukazawa; licensee Springer. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://​creativecommons.​org/​licenses/​by/​4.​0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly credited.
• Related Material (URI): http://hdl.handle.net/2433/212428; http://id.ndl.go.jp/digimeta/9381176; https://dl.ndl.go.jp/pid/9381176; http://link.springer.com/content/pdf/10.1186/s40623-015-0216-0.pdf; http://link.springer.com/article/10.1186/s40623-015-0216-0/fulltext.html; http://link.springer.com/content/pdf/10.1186/s40623-015-0216-0
• Is Referenced By: A novel high accuracy finite-difference time-domain method; https://cir.nii.ac.jp/crid/1360584339757761664; 宇宙プラズマの基礎理論およびその計算機シミュレーション手法; https://cir.nii.ac.jp/crid/1390001277369401728
• References: Full electromagnetic Vlasov code simulation of the Kelvin.Helmholtz instability; https://cir.nii.ac.jp/crid/1050282813776957440; A non-oscillatory and conservative semi-Lagrangian scheme with fourth-degree polynomial interpolation for solving the Vlasov equation; https://cir.nii.ac.jp/crid/1360002215879920768; Phase space structures generated by an absorbing obstacle in a streaming plasma; https://cir.nii.ac.jp/crid/1360011146209315968; Electromagnetic full particle simulation of the electric field structure around the moon and the lunar wake; https://cir.nii.ac.jp/crid/1360292620608509696; Ion entry into the wake behind a nonmagnetized obstacle in the solar wind: Two‐dimensional particle‐in‐cell simulations; https://cir.nii.ac.jp/crid/1360565164539027200; Entry of solar-wind ions into the wake of a small body with a magnetic anomaly: A global Vlasov simulation; https://cir.nii.ac.jp/crid/1360567182418854272; Vlasov simulation of the interaction between the solar wind and a dielectric body; https://cir.nii.ac.jp/crid/1360846642021244544; A Scalable Full-Electromagnetic Vlasov Solver for Cross-Scale Coupling in Space Plasma; https://cir.nii.ac.jp/crid/1360848660351576960; A conservative and non-oscillatory scheme for Vlasov code simulations; https://cir.nii.ac.jp/crid/1360855568571728128; Formation of the lunar wake in quasi‐neutral hybrid model; https://cir.nii.ac.jp/crid/1361137045237431424; Structure of the lunar wake: Two‐dimensional global hybrid simulations; https://cir.nii.ac.jp/crid/1361418520809675520; Kinetic simulations of finite gyroradius effects in the lunar plasma environment on global, meso, and microscales; https://cir.nii.ac.jp/crid/1362544419093633024; Dynamics of the Interplanetary Gas and Magnetic Fields.; https://cir.nii.ac.jp/crid/1362825895101028352; Dynamics of solar wind protons reflected by the Moon; https://cir.nii.ac.jp/crid/1363107368353860480; Comparison of time splitting and backsubstitution methods for integrating Vlasov's equation with magnetic fields; https://cir.nii.ac.jp/crid/1363388843905885824; Two-dimensional full-electromagnetic Vlasov code with conservative scheme and its application to magnetic reconnection; https://cir.nii.ac.jp/crid/1363388844117119616; Remote energetic neutral atom imaging of electric potential over a lunar magnetic anomaly; https://cir.nii.ac.jp/crid/1364233268791652736; Preface; https://cir.nii.ac.jp/crid/2050307417161633408; Role of the solar wind magnetic field in the interaction of a non-magnetized body with the solar wind : an electromagnetic 2-D particle-in-cell simulation; https://cir.nii.ac.jp/crid/2051151842091732352; Effect of ion cyclotron motion on the structure of wakes : a Vlasov simulation; https://cir.nii.ac.jp/crid/2051151842091768960; The interaction between the Moon and the solar wind; https://cir.nii.ac.jp/crid/2051433317068480128
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• Original Data Provider (Database): 学術機関リポジトリデータベース; https://irdb.nii.ac.jp; 雑誌記事索引データベース; https://ndlsearch.ndl.go.jp; Crossref; https://www.crossref.org; CiNii Articles; 科学研究費助成事業データベース; https://kaken.nii.ac.jp/ja
• Bibliographic ID (NDL): 9381176; http://id.ndl.go.jp/bib/9381176
• NAID: 120005756321