D. I. Zavershinsky, N. E. Molevich, “Alfvén wave amplification as a result of nonlinear interaction with a magnetoacoustic wave in an acoustically active conducting medium”, Pisma v Zhurnal Tekhnicheskoi Fiziki, 2014, Volume 40, Issue 16,Pages <nobr>50

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Alfvén wave amplification as a result of nonlinear interaction with a magnetoacoustic wave in an acoustically active conducting medium

D. I. Zavershinsky^ab, N. E. Molevich^ab

^a Samara Branch of P. N. Lebedev Physical Institute, Russian Academy of Sciences
^b Samara State Aerospace University

Abstract: It is shown that Alfvén waves propagating parallel and antiparallel to a magnetic field can be generated and amplified in an acoustically active heat-releasing ionized medium. The amplification is due to parametric energy pumping from the unstable magnetoacoustic waves to the Alfvén waves.

Received: 07.04.2014