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  Thin Current Sheets of Sub‐ion Scales observed by MAVEN in the Martian Magnetotail

Grigorenko, E. E., Zelenyi, L. M., DiBraccio, G., Ermakov, V. N., Shuvalov, S. D., Malova, H. V., et al. (2019). Thin Current Sheets of Sub‐ion Scales observed by MAVEN in the Martian Magnetotail. Geophysical Research Letters, 46(12), 6214-6222. doi:10.1029/2019GL082709.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-5B96-B Version Permalink: http://hdl.handle.net/21.11116/0000-0006-5B97-A
Genre: Journal Article

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 Creators:
Grigorenko, E. E., Author
Zelenyi, L. M., Author
DiBraccio, G., Author
Ermakov, V. N., Author
Shuvalov, S. D., Author
Malova, H. V., Author
Popov, V. Y., Author
Halekas, J. S., Author
Mitchell, D. L., Author
Dubinin, E. M.1, Author              
Affiliations:
1Department Planets and Comets, Max Planck Institute for Solar System Research, Max Planck Society, ou_1832288              

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 Abstract: Current sheets (CSs) play a crucial role in the storage and conversion of magnetic energy in planetary magnetotails. Using high‐resolution magnetic field data from MAVEN spacecraft, we report the existence of super thin current sheets (STCSs) in the Martian magnetotail. The typical half‐thickness of the STCSs is ~5 km, and it is much less than the gyroradius of thermal protons (ρp). The STCSs are embedded into a thicker sheet with L ≥ ρp forming a multiscale current configuration. The formation of STCS does not depend on ion composition, but it is controlled by the small value of the normal component of the magnetic field at the neutral plane (BN). A number of the observed multiscale CSs are located in the parametric map close to the tearing‐unstable domain, and thus, the inner STCS can provide an additional free energy to excite ion tearing mode in the Martian magnetotail.

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Language(s): eng - English
 Dates: 2019
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: Peer
 Identifiers: DOI: 10.1029/2019GL082709
 Degree: -

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Title: Geophysical Research Letters
  Abbreviation : GRL
Source Genre: Journal
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Publ. Info: Washington, D.C. : American Geophysical Union / Wiley
Pages: - Volume / Issue: 46 (12) Sequence Number: - Start / End Page: 6214 - 6222 Identifier: ISSN: 0094-8276
CoNE: https://pure.mpg.de/cone/journals/resource/954925465217