Stability of an inhomogeneous two-component plasma with magnetic viscosity

Details Stability of an inhomogeneous two-component plasma with magnetic viscosity Stability of an inhomogeneous two-component plasma with magnetic viscosity

Jan 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993ap%26ss.199..225k&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 199, no. 2, p. 225-240.

Astronomy and Astrophysics

Astrophysics

Hydrodynamic Equations, Magnetohydrodynamic Stability, Viscosity, Magnetohydrodynamic Waves, Perturbation Theory, Wave Equations, Wave Propagation

Scientific paper

The stability of a semiinfinite quasi-neutral inhomogeneous plasma with magnetic viscosity has been discussed by using JWKB approximation in which the parameters are regarded slowing varying. Dispersion relation is obtained and discussed. It is found that the inhomogeneous system is unstable for all perturbations with k(y) = 0. A dispersion relation for homogeneous plasma is also obtained and discussed. It is shown that fast and slow-MHD waves propagate in the homogeneous plasma in the limit of almost perpendicular propagation under certain conditions.

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