Simulation study on parametric dependence of whistler-mode hiss generation in the plasmasphere
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DOI[10.1186/s40623-021-01554-6]のデータに遷移します
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- 資料種別
- 記事
- 著者・編者
- Yin LiuYoshiharu OmuraMitsuru Hikishima
- 出版年月日等
- 2021-12-16
- 出版年（W3CDTF）
- 2021-12-16
- タイトル（掲載誌）
- EPS : Earth, Planets and Space
- 巻号年月日等（掲載誌）
- 73(230)
- 掲載巻
- 73(230)
- ISSN（掲載誌）
- 1880-5981
- ISSN-L（掲載誌）
- 1343-8832
- 本文の言語コード
- eng
- DOI
- 10.1186/s40623-021-01554-6
- 国立国会図書館永続的識別子
- info:ndljp/pid/12287062
- コレクション（共通）
- コレクション（障害者向け資料：レベル1）
- コレクション（個別）
- 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
- 収集根拠
- オンライン資料収集制度
- 受理日（W3CDTF）
- 2022-05-18T20:14:28+09:00
- 保存日（W3CDTF）
- 2022-04-27
- 記録形式（IMT）
- application/pdf
- オンライン閲覧公開範囲
- 国立国会図書館内限定公開
- デジタル化資料送信
- 図書館・個人送信対象外
- 遠隔複写可否（NDL）
- 可
- 掲載誌（国立国会図書館永続的識別子）
- info:ndljp/pid/11667897
- 連携機関・データベース
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- 要約等
- We conduct electromagnetic particle simulations to examine the applicability of nonlinear wave growth theory to the generation process of plasmaspheric hiss. We firstly vary the gradient of the background magnetic field from a realistic model to a rather steep gradient model. Under such variation, the threshold amplitude in the nonlinear theory increases quickly and the overlap between threshold and optimum amplitude disappears correspondingly, the nonlinear process is suppressed. In the simulations, as we enlarge the gradient coefficient of the background magnetic field, waves generated near the equator do not grow through propagation. By examining the range of suitable values of inhomogeneity factor S (i.e., |S|<2), we find the generation of wave packets is limited to the equatorial region when the background field is steep, showing a good agreement with what is indicated by critical distance in the theory. We then check the dependence of generation of hiss emissions on different hot electron densities. Since the overlap between threshold and optimum amplitude vanishes, the nonlinear process is weakened when hot electron density becomes smaller. In the simulation results, we find similar wave structures in all density cases, yet with different magnitudes. The existence of suitable S values implies that the nonlinear process occurs even at a low level of hot electron density. However, by examining JE that closely relates to the wave growth, we find energy conveyed from particles to waves is much limited in small density cases. Therefore, the nonlinear process is suppressed when hot electron density is small, which agrees with the theoretical analysis.
- DOI
- 10.1186/s40623-021-01554-610.21203/rs.3.rs-697676/v1
- オンライン閲覧公開範囲
- インターネット公開
- 著作権情報
- © The Author(s) 2021.This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons licence, and indicate if changes were made. The images or other third party material in this article are included in the article's Creative Commons licence, unless indicated otherwise in a credit line to the material. If material is not included in the article's Creative Commons licence and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder.
- 関連情報（URI）
- 参照
- Scattering of energetic electrons through nonlinear cyclotron resonance with coherent whistler-mode hiss emissionsEffect of the mirror force on the collision rate due to energetic electron precipitation: Monte Carlo simulations
- 参照
- Nonlinear wave growth theory of coherent hiss emissions in the plasmasphereControlling the Chirping of Chorus Waves via Magnetic Field InhomogeneityNonlinear dynamics of resonant electrons interacting with coherent Langmuir wavesLimit on stably trapped particle fluxesParticle Simulation of Electromagnetic Waves and Its Application to Space PlasmasFull Particle Simulation of Whistler‐Mode Triggered Falling‐Tone Emissions in the MagnetosphereParticle Simulation of the Generation of Plasmaspheric HissPlasmaspheric hiss observed in the topside ionosphere at mid- and low-latitudesTwo types of ELF hiss observed at Varanasi, IndiaFine structure of plasmaspheric hissTheory and simulation of the generation of whistler‐mode chorusSubstorm dependence of plasmaspheric hissThe unexpected origin of plasmaspheric hiss from discrete chorus emissionsVan Allen Probes Observations of Chorus Wave Vector Orientations: Implications for the Chorus‐to‐Hiss MechanismComprehensive Observations of Substorm‐Enhanced Plasmaspheric Hiss Generation, Propagation, and DissipationGeneration of unusually low frequency plasmaspheric hissPlasmaspheric hiss intensity variations during magnetic stormsStatistical properties of plasmaspheric hiss derived from Van Allen Probes data and their effects on radiation belt electron dynamicsPropagation of whistler mode chorus to low altitudes: Spacecraft observations of structured ELF hissAn improved masking method for absorbing boundaries in electromagnetic particle simulationsMagnetospherically reflected whistlers as a source of plasmaspheric hissFull particle simulation of whistler‐mode rising chorus emissions in the magnetosphereNonlinear wave growth theory of whistler-mode chorus and hiss emissions in the magnetosphere
- 連携機関・データベース
- 国立情報学研究所 : CiNii Research
- 提供元機関・データベース
- 学術機関リポジトリデータベース雑誌記事索引データベースCrossrefCrossref科学研究費助成事業データベースCrossrefCrossrefCrossrefCrossref
- 書誌ID（NDLBibID）
- 12287062