Abstract
The spectrum of Alfvén eigenmodes in a transversely inhomogeneous plasma with Ohmic dissipation is studied in the one-fluid MHD approximation. It is established that, along with a discrete spectrum of the modes confined to the plasma boundaries or the extremes of the Alfvén velocity, there always exists a continuous spectrum of aperiodically damped modes, including those with arbitrarily slow damping rates. It is shown that the set of eigenmodes is complete.
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Translated from Fizika Plazmy, Vol. 29, No. 5, 2003, pp. 424–431.
Original Russian Text Copyright © 2003 by Churilov.
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Churilov, S.M. Alfvén wave spectrum in a transversely inhomogeneous plasma with dissipation. Plasma Phys. Rep. 29, 391–398 (2003). https://doi.org/10.1134/1.1575309
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DOI: https://doi.org/10.1134/1.1575309