Simulation study on parametric dependence of whistler-mode hiss generation in the plasmasphere
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DOI[10.1186/s40623-021-01554-6]to the data of the same series
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- Material Type
- 記事
- Author/Editor
- Yin LiuYoshiharu OmuraMitsuru Hikishima
- Publication, Distribution, etc.
- Publication Date
- 2021-12-16
- Publication Date (W3CDTF)
- 2021-12-16
- Periodical title
- EPS : Earth, Planets and Space
- No. or year of volume/issue
- 73(230)
- Volume
- 73(230)
- ISSN (Periodical Title)
- 1880-5981
- ISSN-L (Periodical Title)
- 1343-8832
- Text Language Code
- eng
- DOI
- 10.1186/s40623-021-01554-6
- Persistent ID (NDL)
- info:ndljp/pid/12287062
- Collection
- Collection (Materials For Handicapped People:1)
- 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
- Acquisition Basis
- オンライン資料収集制度
- Date Accepted (W3CDTF)
- 2022-05-18T20:14:28+09:00
- Date Captured (W3CDTF)
- 2022-04-27
- Format (IMT)
- application/pdf
- Access Restrictions
- 国立国会図書館内限定公開
- Service for the Digitized Contents Transmission Service
- 図書館・個人送信対象外
- Availability of remote photoduplication service
- 可
- Periodical Title (URI)
- Periodical Title (Persistent ID (NDL))
- info:ndljp/pid/11667897
- Data Provider (Database)
- 国立国会図書館 : 国立国会図書館デジタルコレクション
- Summary, etc.
- 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
- Access Restrictions
- インターネット公開
- Rights (production)
- © 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.
- Related Material (URI)
- Is Referenced By
- 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
- References
- 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
- Data Provider (Database)
- 国立情報学研究所 : CiNii Research
- Original Data Provider (Database)
- 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
- Bibliographic ID (NDL)
- 12287062