Nonlinear Sciences – Pattern Formation and Solitons
Scientific paper
2001-09-13
Nonlinear Sciences
Pattern Formation and Solitons
5 figures
Scientific paper
10.1103/PhysRevE.65.066304
Surface waves on a liquid air interface excited by a vertical vibration of a fluid layer (Faraday waves) are employed to investigate the phase relaxation of ideally ordered patterns. By means of a combined frequency-amplitude modulation of the excitation signal a periodic expansion and dilatation of a square wave pattern is generated, the dynamics of which is well described by a Debye relaxator. By comparison with the results of a linear theory it is shown that this practice allows a precise measurement of the phase diffusion constant.
Kityk Andriy V.
Knorr Klaus
Mueller Hanns Walter
Wagner Clemens
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