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VOLUME 84 | ISSUE 12 | PAGE 764 Modulational instability of nonlinearly interacting incoherent sea states P. K. Shukla, M. Marklund+, L. Stenflo+ Institut für Theoretische Physik IV and Centre for Plasma Science and Astrophysics, Ruhr-Universität Bochum, D-44780 Bochum, Germany +Centre for Nonlinear Physics, Department of Physics, Umeå University, SE-901 87 Umeå, Sweden PACS: 02.60.Cb, 47.15.Hg, 47.35.-i, 92.10.Hm Abstract The modulational instability of nonlinearly interacting spatially incoherent Stokes waves is analyzed. Starting from a pair of nonlinear Schrödinger equations, we derive a coupled set of wave-kinetic equations by using the Wigner transform technique. It is shown that the partial coherence of the interacting waves induces novel effects on the dynamics of crossing sea states. Download PS file (GZipped, 122.7K)  |  Download PDF file (272K) Список работ, цитирующих данную статью, см. здесь. List of articles citing this article can be found here.