Langmuir Turbulence: Proposal for a Closure

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Published under licence by IOP Publishing Ltd
, , Citation K B Dysthe et al 1986 Phys. Scr. 33 246 DOI 10.1088/0031-8949/33/3/012

1402-4896/33/3/246

Abstract

The Wigner formalism is applied to the standard equations for weakly nonlinear Langmuire waves. On the basis of this formulation, a closed set of equations is obtained to describe the statistical evolution of the average field intensity and the intensity correlation function. The analysis allows a straightforward generalization to include features of the random coupling model (one version of the direct interaction approximation).

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10.1088/0031-8949/33/3/012