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Journal Article

Phase relaxation of Faraday surface waves

MPS-Authors
http://pubman.mpdl.mpg.de/cone/persons/resource/persons48463

Müller,  H. W.
MPI for Polymer Research, Max Planck Society;

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Citation

Kityk, A. V., Wagner, C., Knorr, K., & Müller, H. W. (2002). Phase relaxation of Faraday surface waves. Physical Review E, 65(6): 066304.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000F-65E1-4
Abstract
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 the measured relaxation time allows a precise evaluation of the phase diffusion constant.