Generation of dispersion in nondispersive nonlinear waves in thermal equilibrium.


In this work, we examine the important theoretical question of whether dispersion relations can arise from purely nonlinear interactions among waves that possess no linear dispersive characteristics. Using two prototypical examples of nondispersive waves, we demonstrate how nonlinear interactions can indeed give rise to effective dispersive-wave-like… (More)
DOI: 10.1073/pnas.1215325110

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