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Physics > Fluid Dynamics

arXiv:physics/0612254 (physics)
[Submitted on 29 Dec 2006 (v1), last revised 7 Mar 2007 (this version, v2)]

Title:Observation of intermittency in wave turbulence

Authors:Eric Falcon (LPS, MSC), Stéphan Fauve (LPS), Claude Laroche (Phys-ENS)
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Abstract: We report the observation of intermittency in gravity-capillary wave turbulence on the surface of mercury. We measure the temporal fluctuations of surface wave amplitude at a given location. We show that the shape of the probability density function of the local slope increments of the surface waves strongly changes across the time scales. The related structure functions and the flatness are found to be power laws of the time scale on more than one decade. The exponents of these power laws increase nonlinearly with the order of the structure function. All these observations show the intermittent nature of the increments of the local slope in wave turbulence. We discuss the possible origin of this intermittency.
Comments: new version to Phys. Rev. Lett
Subjects: Fluid Dynamics (physics.flu-dyn); Other Condensed Matter (cond-mat.other); Chaotic Dynamics (nlin.CD); Classical Physics (physics.class-ph)
Cite as: arXiv:physics/0612254 [physics.flu-dyn]
  (or arXiv:physics/0612254v2 [physics.flu-dyn] for this version)
  https://doi.org/10.48550/arXiv.physics/0612254
Journal reference: Physical Review Letters 98 (11/04/2007) 154501
Related DOI: https://doi.org/10.1103/PhysRevLett.98.154501

Submission history

From: Eric Falcon [view email] [via CCSD proxy]
[v1] Fri, 29 Dec 2006 20:08:40 UTC (35 KB)
[v2] Wed, 7 Mar 2007 15:51:42 UTC (35 KB)
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