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  • NAM2017
    • Timetable
    • Delegates
    • Registration
  • Science
    • Parallel sessions
    • Plenary talks
    • Posters
    • Publishing workshop
    • Media workshop
    • Community forum
    • Special lunches
    • Hack day
  • Social
    • Welcome reception
    • Conference dinner
    • Football + BBQ evening
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Abstract details

id
Waves and Instabilities in a Steady Slab in an Asymmetric Environment
Date Submitted
2017-04-14 09:45:27
SolAtmos
Mihai Barbulescu
University of Sheffield
Poster
Róbert Erdélyi
We investigate the propagation of linear MHD waves, and the occurrence of the Kelvin-Helmholtz instability, along a magnetic slab in an asymmetric environment. We define the equilibrium as a steady magnetic slab embedded in a plasma with different values of pressure, density, magnetic field, and background flow on either side. We derive the dispersion relation for this system and analyse the effect of asymmetry of the equilibrium on the wave propagation along the slab. The threshold for the occurrence of the Kelvin-Helmholtz instability is obtained numerically, along with phase diagrams for the system. Applications to solar and magnetospheric physics are outlined.

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