Annales Geophysicae
Annales Geophysicae
ANGEO
Articles | Volume 32, issue 11
Articles | Volume 32, issue 11
https://doi.org/10.5194/angeo-32-1407-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Special issue:
https://doi.org/10.5194/angeo-32-1407-2014
© Author(s) 2014. This work is distributed under
the Creative Commons Attribution 3.0 License.
Articles | Volume 32, issue 11
Regular paper
 | 
13 Nov 2014
Regular paper |  | 13 Nov 2014

Nonlocal nonlinear coupling of kinetic sound waves

O. Lyubchyk and Y. Voitenko

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Short summary
Acoustic-type waves are widespread in solar and space plasmas where they contribute to energy transport and release. We discovered a new channel for nonlinear coupling among oblique sound waves with vastly different wavelengths across the background magnetic field. The resulting nonlocal spectral transfer is much faster than the previously known transfer produced by the local interactions among waves with similar wavelengths.
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Observation, analysis and modelling of solar and heliospheric...