Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 33, issue 6
Articles | Volume 33, issue 6
https://doi.org/10.5194/angeo-33-719-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/angeo-33-719-2015
© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 33, issue 6
ANGEO Communicates
 | 
12 Jun 2015
ANGEO Communicates |  | 12 Jun 2015

Electron-scale nested quadrupole Hall field in Cluster observations of magnetic reconnection

N. Jain and A. S. Sharma

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Latest update: 01 Nov 2025
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Short summary
In magnetic reconnection in collisionless plasmas, a quadrupole structure of the magnetic field component in the direction of current supporting the reconnecting magnetic field is generated down to electron scales. This paper shows that the magnetic field can develop a "nested structure of quadrupoles" at the electron scales and identifies the nested structure in Cluster observations. Results are useful in interpreting the electron physics in observations, in particular by the NASA/MMS mission.
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