Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 37, issue 5
Articles | Volume 37, issue 5
https://doi.org/10.5194/angeo-37-835-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-37-835-2019
© Author(s) 2019. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 37, issue 5
ANGEO Communicates
 | 
20 Sep 2019
ANGEO Communicates |  | 20 Sep 2019

Multi-channel coupling of decay instability in three-dimensional low-beta plasma

Horia Comişel, Yasuhito Narita, and Uwe Motschmann

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Latest update: 14 Dec 2024
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Short summary
Here we present a scenario that the decay of a field-aligned Alfvén wave can occur simultaneously at various angles to the mean magnetic field, generating a number of second-order fluctuations or waves (after the pump wave as the first-order fluctuation). We refer to the simultaneous decay as multi-channel couplings following the notion in scattering theory. Our goal is to study the hypothesis of the multi-channel coupling by running a three-dimensional hybrid plasma simulation.
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