Properties of Fluid-scale Kelvin-Helmholtz Waves and High Frequency Waves within KH Vortices as Observed by MMS
Abstract
Previous Cluster observations revealed existence of ion-scale (200-2000 km) magnetosonic waves inside fluid-scale (36,000 km) Kelvin-Helmhotz vortex (Moore et al., 2016, Nature Physics). These waves had sufficient Poyinting flux for efficient ion heating. New high-resolution data from MMS motivates the search for a dispersion relation between ion and electron scale waves in KHI vortices. Around 20 KHI events were identified in MMS data from 2015 to 2017 and experimental KH growth rates were calculated for all cases. High frequency plasma waves, ion and electron velocity distribution functions and ambient plasma properties are analyzed for the events with available burst mode data.
- Publication:
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AGU Fall Meeting Abstracts
- Pub Date:
- December 2018
- Bibcode:
- 2018AGUFMSM13B2836R
- Keywords:
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- 2723 Magnetic reconnection;
- MAGNETOSPHERIC PHYSICSDE: 2724 Magnetopause and boundary layers;
- MAGNETOSPHERIC PHYSICSDE: 2728 Magnetosheath;
- MAGNETOSPHERIC PHYSICSDE: 2784 Solar wind/magnetosphere interactions;
- MAGNETOSPHERIC PHYSICS