Abstract
An efficient resonant absorption of MHD waves in a double step inhomogeneous plasma is shown to exist provided that a number of parameters is suitably chosen. The absorption mechanism is based on two phenomena: first, the incident and totally reflected MHD wave excites MHD surface modes at the farther boundary by tunneling into the nontransparent section; second, these surface modes are irreversibly transformed into local MHD bulk waves at locations where corresponding frequency matching conditions are satisfied. The calculated absorption coefficient of incident MHD waves may reach unity if the wave parameters are adequately chosen.
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