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  Evidence of the hall effect providing the core field inside a magnetic flux rope in an antiparallel magnetic reconnection

Zhang, Y., Dai, L., Tang, S. Y., Wang, C. (2023): Evidence of the hall effect providing the core field inside a magnetic flux rope in an antiparallel magnetic reconnection, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-0053

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Item Permalink: https://gfzpublic.gfz.de/pubman/item/item_5017042 Version Permalink: https://gfzpublic.gfz.de/pubman/item/item_5017042_1
Genre: Conference Paper

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 Creators:
Zhang, Yongcun1, Author
Dai, Lei1, Author
Tang, Si Yao1, Author
Wang, Chi1, Author
Affiliations:
1IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations, ou_5011304              

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 Abstract: The observations from the Magnetospheric Multiscale mission on 2015 November 12 showed the existence oftripolar Hall magnetic fields north of the X line in a quasi-antiparallel reconnection at the dayside of themagnetopause. The bipolar variation in the normal component of the magnetic field inside the middle polar regionof the tripolar Hall fields indicated the presence of an ion-scale magnetic flux rope. The coexistence of Hall fieldsand a magnetic flux rope provides the first evidence that the Hall effect in quasi-antiparallel magnetic reconnectioncan generate the core field inside a magnetic flux rope. There is one dip in the core field of the observed magneticflux rope. We interpret the core field and the dip with the Hall effect associated with sequential multiple-X-linereconnection. The results of this study shed light on the mechanism of the generation of the core field inside themagnetic flux rope.

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Language(s): eng - English
 Dates: 2023
 Publication Status: Finally published
 Pages: -
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 Rev. Type: -
 Identifiers: DOI: 10.57757/IUGG23-0053
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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Place of Event: Berlin
Start-/End Date: 2023-07-11 - 2023-07-20

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Title: XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)
Source Genre: Proceedings
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Publ. Info: Potsdam : GFZ German Research Centre for Geosciences
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