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- Title
On the decay of a dipole pump wave to half-harmonics.
- Authors
Heikkinen, J. A.; Pättikangas, T. J. H.; Devillers, G.
- Abstract
Starting from a three-wave interaction coefficient for a homogeneous Vlasov plasma, we show that the parametric decay to half-harmonics has zero growth rate if the wavenumber of the pump wave vanishes. Earlier proofs of this fact for electrostatic decay modes are thus extended for a general case. As a specific example, we study the decay of a fast magnetosonic wave to two slow waves.
- Publication
Journal of Plasma Physics, 1991, Vol 46, Issue 2, p231
- ISSN
0022-3778
- Publication type
Article
- DOI
10.1017/S002237780001607X