, Volume 33, Issue 4, pp 310-315

Resonant excitation of counterpropagating surface waves at a Langmuir wave decay

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A study is made of the resonant excitation of surface waves via the decay of a Langmuir wave propagating perpendicularly to a plasma-dielectric interface. The excitation dynamics in the initial stage of decay instability is studied, expressions for the growth rates are obtained, and the threshold amplitude of the Langmuir wave above which parametric instability occurs is found.