Theoretical Model for Faraday Waves with Multiple-Frequency Forcing

Details Theoretical Model for Faraday Waves with Multiple-Frequency Forcing Theoretical Model for Faraday Waves with Multiple-Frequency Forcing

1997-04-08

arxiv.org/abs/cond-mat/9704060v2

Phys. Rev. Lett. 79, 1261 (1997)

Physics

Condensed Matter

Soft Condensed Matter

4 pages, 2 figures. Final published version. Also available at http://www.cmp.caltech.edu/~lifshitz/patterns.html

Scientific paper

10.1103/PhysRevLett.79.1261

A simple generalization of the Swift-Hohenberg equation is proposed as a model for the pattern-forming dynamics of a two-dimensional field with two unstable length scales. The equation is used to study the dynamics of surface waves in a fluid driven by a linear combination of two frequencies. The model exhibits steady-state solutions with two-, four-, six-, and twelve-fold symmetric patterns, similar to the periodic and quasiperiodic patterns observed in recent experiments.

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