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Phase Randomization of Three-Wave Interactions in Capillary Waves

Punzmann, Horst; Shats, Michael; Xia, Hua


We present new experimental results on the transition from coherent-phase to random-phase three-wave interactions in capillary waves under parametric excitation. Above the excitation threshold, coherent wave harmonics spectrally broaden. An increase in the pumping amplitude increases spectral widths of wave harmonics and eventually causes a strong decrease in the degree of the three-wave phase coupling. The results point to the modulation instability of capillary waves, which leads to breaking...[Show more]

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.103.064502


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