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The irreversible local power exchange P between a linear rf wave and a strongly dispersive plane-stratified plasma is expressed in terms of the conductivity kernel. A nonresonant contribution due to an interaction of the wave with the diamagnetic drift motion of the plasma is identified, which can destabilise the wave. The equivalence of the condition P = 0 to a well-known marginal stability criterion is shown explicitly for the universal instability mode.

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Authors: WERTHMANN H, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE);BRAMBILLA M, Max-Planck-Institut für Plasmaphysik, Garching bei München (DE)
Bibliographic Reference: Article: Physics Letters A, Vol. 199 (1995) pp. 218-223
Record Number: 199510556 / Last updated on: 1995-04-21
Original language: en
Available languages: en