Nonlinear mixing of waves in a Yukawa one component plasma

A Mir and F Batool and S Tiwari and A Sen, PHYSICA SCRIPTA, 100, 085602 (2025).

DOI: 10.1088/1402-4896/adedd1

The phenomenon of nonlinear wave mixing is investigated in a Yukawa one- component plasma using two-dimensional classical Langevin molecular dynamics simulations. The wave spectrum indicates that nonlinear interactions between the excited modes are primarily governed by a three-wave mixing mechanism, as confirmed by bispectral analysis. In particular, the mixing characteristics observed in the simulations closely resemble those reported in previous numerical studies of the forced Korteweg-de Vries (fKdV) model Phys. Plasmas 29, 032303 (2022). This similarity further validates the applicability of the fKdV fluid model in capturing the weakly nonlinear dynamics of dusty plasmas with reasonable accuracy.

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