View in EDS HTML Full Text PDF Full Text

Electron-scale dynamics of the diffusion region during symmetric magnetic reconnection in space.

Saved in:
Bibliographic Details
Title: Electron-scale dynamics of the diffusion region during symmetric magnetic reconnection in space.
Authors: Torbert, R. B., Burch, J. L., Phan, T. D., Hesse, M., Argall, M. R., Shuster, J., Ergun, R. E., Alm, L., Nakamura, R., Genestreti, K. J., Gershman, D. J., Paterson, W. R., Turner, D. L., Cohen, I., Giles, B. L., Pollock, C. J., Wang, S., Chen, L.-J., Stawarz, J. E., Eastwood, J. P.
Source: Science (pre-March 2025). 12/21/2018, Vol. 362 Issue 6421, p1391-1395. 5p. 4 Graphs.
Subjects: Magnetic reconnection, Energy conversion, Plasma astrophysics, Magnetosphere, Velocity distribution (Statistical mechanics)
Abstract: Magnetic reconnection is an energy conversion process that occurs in many astrophysical contexts including Earth's magnetosphere, where the process can be investigated in situ by spacecraft. On 11 July 2017, the four Magnetospheric Multiscale spacecraft encountered a reconnection site in Earth's magnetotail, where reconnection involves symmetric inflow conditions. The electron-scale plasma measurements revealed (i) super-Alfvénic electron jets reaching 15,000 kilometers per second; (ii) electron meandering motion and acceleration by the electric field, producing multiple crescent-shaped structures in the velocity distributions; and (iii) the spatial dimensions of the electron diffusion region with an aspect ratio of 0.1 to 0.2, consistent with fast reconnection. The well-structured multiple layers of electron populations indicate that the dominant electron dynamics are mostly laminar, despite the presence of turbulence near the reconnection site. [ABSTRACT FROM AUTHOR]
Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science 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: Psychology and Behavioral Sciences Collection
Full text is not displayed to guests.
FullText Links:
  – Type: pdflink
Text:
  Availability: 1
Header DbId: pbh
DbLabel: Psychology and Behavioral Sciences Collection
An: 133704269
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Electron-scale dynamics of the diffusion region during symmetric magnetic reconnection in space.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Torbert%2C+R%2E+B%2E%22">Torbert, R. B.</searchLink><br /><searchLink fieldCode="AR" term="%22Burch%2C+J%2E+L%2E%22">Burch, J. L.</searchLink><br /><searchLink fieldCode="AR" term="%22Phan%2C+T%2E+D%2E%22">Phan, T. D.</searchLink><br /><searchLink fieldCode="AR" term="%22Hesse%2C+M%2E%22">Hesse, M.</searchLink><br /><searchLink fieldCode="AR" term="%22Argall%2C+M%2E+R%2E%22">Argall, M. R.</searchLink><br /><searchLink fieldCode="AR" term="%22Shuster%2C+J%2E%22">Shuster, J.</searchLink><br /><searchLink fieldCode="AR" term="%22Ergun%2C+R%2E+E%2E%22">Ergun, R. E.</searchLink><br /><searchLink fieldCode="AR" term="%22Alm%2C+L%2E%22">Alm, L.</searchLink><br /><searchLink fieldCode="AR" term="%22Nakamura%2C+R%2E%22">Nakamura, R.</searchLink><br /><searchLink fieldCode="AR" term="%22Genestreti%2C+K%2E+J%2E%22">Genestreti, K. J.</searchLink><br /><searchLink fieldCode="AR" term="%22Gershman%2C+D%2E+J%2E%22">Gershman, D. J.</searchLink><br /><searchLink fieldCode="AR" term="%22Paterson%2C+W%2E+R%2E%22">Paterson, W. R.</searchLink><br /><searchLink fieldCode="AR" term="%22Turner%2C+D%2E+L%2E%22">Turner, D. L.</searchLink><br /><searchLink fieldCode="AR" term="%22Cohen%2C+I%2E%22">Cohen, I.</searchLink><br /><searchLink fieldCode="AR" term="%22Giles%2C+B%2E+L%2E%22">Giles, B. L.</searchLink><br /><searchLink fieldCode="AR" term="%22Pollock%2C+C%2E+J%2E%22">Pollock, C. J.</searchLink><br /><searchLink fieldCode="AR" term="%22Wang%2C+S%2E%22">Wang, S.</searchLink><br /><searchLink fieldCode="AR" term="%22Chen%2C+L%2E-J%2E%22">Chen, L.-J.</searchLink><br /><searchLink fieldCode="AR" term="%22Stawarz%2C+J%2E+E%2E%22">Stawarz, J. E.</searchLink><br /><searchLink fieldCode="AR" term="%22Eastwood%2C+J%2E+P%2E%22">Eastwood, J. P.</searchLink>
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Science+%28pre-March+2025%29%22">Science (pre-March 2025)</searchLink>. 12/21/2018, Vol. 362 Issue 6421, p1391-1395. 5p. 4 Graphs.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Magnetic+reconnection%22">Magnetic reconnection</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+conversion%22">Energy conversion</searchLink><br /><searchLink fieldCode="DE" term="%22Plasma+astrophysics%22">Plasma astrophysics</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetosphere%22">Magnetosphere</searchLink><br /><searchLink fieldCode="DE" term="%22Velocity+distribution+%28Statistical+mechanics%29%22">Velocity distribution (Statistical mechanics)</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Magnetic reconnection is an energy conversion process that occurs in many astrophysical contexts including Earth's magnetosphere, where the process can be investigated in situ by spacecraft. On 11 July 2017, the four Magnetospheric Multiscale spacecraft encountered a reconnection site in Earth's magnetotail, where reconnection involves symmetric inflow conditions. The electron-scale plasma measurements revealed (i) super-Alfvénic electron jets reaching 15,000 kilometers per second; (ii) electron meandering motion and acceleration by the electric field, producing multiple crescent-shaped structures in the velocity distributions; and (iii) the spatial dimensions of the electron diffusion region with an aspect ratio of 0.1 to 0.2, consistent with fast reconnection. The well-structured multiple layers of electron populations indicate that the dominant electron dynamics are mostly laminar, despite the presence of turbulence near the reconnection site. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Science (pre-March 2025) is the property of American Association for the Advancement of Science 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=pbh&AN=133704269
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1126/science.aat2998
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 5
        StartPage: 1391
    Subjects:
      – SubjectFull: Magnetic reconnection
        Type: general
      – SubjectFull: Energy conversion
        Type: general
      – SubjectFull: Plasma astrophysics
        Type: general
      – SubjectFull: Magnetosphere
        Type: general
      – SubjectFull: Velocity distribution (Statistical mechanics)
        Type: general
    Titles:
      – TitleFull: Electron-scale dynamics of the diffusion region during symmetric magnetic reconnection in space.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Torbert, R. B.
      – PersonEntity:
          Name:
            NameFull: Burch, J. L.
      – PersonEntity:
          Name:
            NameFull: Phan, T. D.
      – PersonEntity:
          Name:
            NameFull: Hesse, M.
      – PersonEntity:
          Name:
            NameFull: Argall, M. R.
      – PersonEntity:
          Name:
            NameFull: Shuster, J.
      – PersonEntity:
          Name:
            NameFull: Ergun, R. E.
      – PersonEntity:
          Name:
            NameFull: Alm, L.
      – PersonEntity:
          Name:
            NameFull: Nakamura, R.
      – PersonEntity:
          Name:
            NameFull: Genestreti, K. J.
      – PersonEntity:
          Name:
            NameFull: Gershman, D. J.
      – PersonEntity:
          Name:
            NameFull: Paterson, W. R.
      – PersonEntity:
          Name:
            NameFull: Turner, D. L.
      – PersonEntity:
          Name:
            NameFull: Cohen, I.
      – PersonEntity:
          Name:
            NameFull: Giles, B. L.
      – PersonEntity:
          Name:
            NameFull: Pollock, C. J.
      – PersonEntity:
          Name:
            NameFull: Wang, S.
      – PersonEntity:
          Name:
            NameFull: Chen, L.-J.
      – PersonEntity:
          Name:
            NameFull: Stawarz, J. E.
      – PersonEntity:
          Name:
            NameFull: Eastwood, J. P.
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 21
              M: 12
              Text: 12/21/2018
              Type: published
              Y: 2018
          Identifiers:
            – Type: issn-print
              Value: 00368075
          Numbering:
            – Type: volume
              Value: 362
            – Type: issue
              Value: 6421
          Titles:
            – TitleFull: Science (pre-March 2025)
              Type: main
ResultId 1