Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 35, issue 4
Articles | Volume 35, issue 4
https://doi.org/10.5194/angeo-35-999-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
https://doi.org/10.5194/angeo-35-999-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 35, issue 4
Regular paper
 | 
28 Aug 2017
Regular paper |  | 28 Aug 2017

Electron cyclotron maser instability (ECMI) in strong magnetic guide field reconnection

Rudolf A. Treumann and Wolfgang Baumjohann

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Short summary
It is suggested that collisionless reconnection under conditions of very strong current-parallel guide fields in dilute plasmas should become a rather efficient source of electromagnetic radiation in the free space modes X and O and their harmonics. The mechanism is based on the electron cyclotron maser instability (ECMI), which can be excited by the anisotropic weakly relativistic electron distribution in the many inertial lengths long electron exhausts caused in reconnection.
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