View in EDS

Data-Driven Simulation of Rapid Flux Enhancement of Energetic Electrons With an Upper-Band Whistler Burst.

Saved in:
Bibliographic Details
Title: Data-Driven Simulation of Rapid Flux Enhancement of Energetic Electrons With an Upper-Band Whistler Burst.
Authors: Saito, S.1 s.saito@nict.go.jp, Kurita, S.2, Miyoshi, Y.3, Kasahara, S.4, Yokota, S.5, Keika, K.4, Hori, T.3, Kasahara, Y.6, Matsuda, S.7, Shoji, M.3, Nakamura, S.3, Matsuoka, A.8, Imajo, S.3, Shinohara, I.7
Source: Journal of Geophysical Research. Space Physics. Apr2021, Vol. 126 Issue 4, p1-15. 15p.
Subject Terms: Atmospheric electron precipitation, Atmospheric physics, Cyclotrons, Particle accelerators, Resonance accelerators
Abstract: The temporal variation of the energetic electron flux distribution caused by whistler mode chorus waves through the cyclotron resonant interaction provides crucial information on how electrons are accelerated in the Earth's inner magnetosphere. This study employs a data-driven test-particle simulation which demonstrates that the rapid change of energetic electron distribution observed by the Arase satellite cannot be simply explained by a quasi-linear diffusion mechanism, but is essentially caused by nonlinear scattering: the phase trapping and the phase dislocation. In response to upper-band whistler chorus bursts, multiple nonlinear interactions finally achieve an efficient flux enhancement of electrons on a time scale of the chorus burst. A quasi-linear diffusion model tends to underestimate the flux enhancement of energetic electrons as compared with a model based on the realistic dynamic frequency spectrum of whistler waves. It is concluded that the nonlinear phase trapping plays an important role in the rapid flux enhancement of energetic electrons observed by Arase. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Geophysical Research. Space Physics is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: GreenFILE
FullText Text:
  Availability: 0
Header DbId: 8gh
DbLabel: GreenFILE
An: 149951862
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Data-Driven Simulation of Rapid Flux Enhancement of Energetic Electrons With an Upper-Band Whistler Burst.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Saito%2C+S%2E%22">Saito, S.</searchLink><relatesTo>1</relatesTo><i> s.saito@nict.go.jp</i><br /><searchLink fieldCode="AR" term="%22Kurita%2C+S%2E%22">Kurita, S.</searchLink><relatesTo>2</relatesTo><br /><searchLink fieldCode="AR" term="%22Miyoshi%2C+Y%2E%22">Miyoshi, Y.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Kasahara%2C+S%2E%22">Kasahara, S.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Yokota%2C+S%2E%22">Yokota, S.</searchLink><relatesTo>5</relatesTo><br /><searchLink fieldCode="AR" term="%22Keika%2C+K%2E%22">Keika, K.</searchLink><relatesTo>4</relatesTo><br /><searchLink fieldCode="AR" term="%22Hori%2C+T%2E%22">Hori, T.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Kasahara%2C+Y%2E%22">Kasahara, Y.</searchLink><relatesTo>6</relatesTo><br /><searchLink fieldCode="AR" term="%22Matsuda%2C+S%2E%22">Matsuda, S.</searchLink><relatesTo>7</relatesTo><br /><searchLink fieldCode="AR" term="%22Shoji%2C+M%2E%22">Shoji, M.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Nakamura%2C+S%2E%22">Nakamura, S.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Matsuoka%2C+A%2E%22">Matsuoka, A.</searchLink><relatesTo>8</relatesTo><br /><searchLink fieldCode="AR" term="%22Imajo%2C+S%2E%22">Imajo, S.</searchLink><relatesTo>3</relatesTo><br /><searchLink fieldCode="AR" term="%22Shinohara%2C+I%2E%22">Shinohara, I.</searchLink><relatesTo>7</relatesTo>
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Journal+of+Geophysical+Research%2E+Space+Physics%22">Journal of Geophysical Research. Space Physics</searchLink>. Apr2021, Vol. 126 Issue 4, p1-15. 15p.
– Name: Subject
  Label: Subject Terms
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Atmospheric+electron+precipitation%22">Atmospheric electron precipitation</searchLink><br /><searchLink fieldCode="DE" term="%22Atmospheric+physics%22">Atmospheric physics</searchLink><br /><searchLink fieldCode="DE" term="%22Cyclotrons%22">Cyclotrons</searchLink><br /><searchLink fieldCode="DE" term="%22Particle+accelerators%22">Particle accelerators</searchLink><br /><searchLink fieldCode="DE" term="%22Resonance+accelerators%22">Resonance accelerators</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The temporal variation of the energetic electron flux distribution caused by whistler mode chorus waves through the cyclotron resonant interaction provides crucial information on how electrons are accelerated in the Earth's inner magnetosphere. This study employs a data-driven test-particle simulation which demonstrates that the rapid change of energetic electron distribution observed by the Arase satellite cannot be simply explained by a quasi-linear diffusion mechanism, but is essentially caused by nonlinear scattering: the phase trapping and the phase dislocation. In response to upper-band whistler chorus bursts, multiple nonlinear interactions finally achieve an efficient flux enhancement of electrons on a time scale of the chorus burst. A quasi-linear diffusion model tends to underestimate the flux enhancement of energetic electrons as compared with a model based on the realistic dynamic frequency spectrum of whistler waves. It is concluded that the nonlinear phase trapping plays an important role in the rapid flux enhancement of energetic electrons observed by Arase. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Journal of Geophysical Research. Space Physics is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=8gh&AN=149951862
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1029/2020JA028979
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 15
        StartPage: 1
    Subjects:
      – SubjectFull: Atmospheric electron precipitation
        Type: general
      – SubjectFull: Atmospheric physics
        Type: general
      – SubjectFull: Cyclotrons
        Type: general
      – SubjectFull: Particle accelerators
        Type: general
      – SubjectFull: Resonance accelerators
        Type: general
    Titles:
      – TitleFull: Data-Driven Simulation of Rapid Flux Enhancement of Energetic Electrons With an Upper-Band Whistler Burst.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Saito, S.
      – PersonEntity:
          Name:
            NameFull: Kurita, S.
      – PersonEntity:
          Name:
            NameFull: Miyoshi, Y.
      – PersonEntity:
          Name:
            NameFull: Kasahara, S.
      – PersonEntity:
          Name:
            NameFull: Yokota, S.
      – PersonEntity:
          Name:
            NameFull: Keika, K.
      – PersonEntity:
          Name:
            NameFull: Hori, T.
      – PersonEntity:
          Name:
            NameFull: Kasahara, Y.
      – PersonEntity:
          Name:
            NameFull: Matsuda, S.
      – PersonEntity:
          Name:
            NameFull: Shoji, M.
      – PersonEntity:
          Name:
            NameFull: Nakamura, S.
      – PersonEntity:
          Name:
            NameFull: Matsuoka, A.
      – PersonEntity:
          Name:
            NameFull: Imajo, S.
      – PersonEntity:
          Name:
            NameFull: Shinohara, I.
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 01
              M: 04
              Text: Apr2021
              Type: published
              Y: 2021
          Identifiers:
            – Type: issn-print
              Value: 21699380
          Numbering:
            – Type: volume
              Value: 126
            – Type: issue
              Value: 4
          Titles:
            – TitleFull: Journal of Geophysical Research. Space Physics
              Type: main
ResultId 1