Articles | Volume 32, issue 11
Ann. Geophys., 32, 1407–1413, 2014
https://doi.org/10.5194/angeo-32-1407-2014

Special issue: Observation, analysis and modelling of solar and heliospheric...

Ann. Geophys., 32, 1407–1413, 2014
https://doi.org/10.5194/angeo-32-1407-2014
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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Latest update: 09 Aug 2022
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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.