Parametrically excited quasicrystalline surface waves
- 1 February 1993
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review E
- Vol. 47 (2) , R788-R791
- https://doi.org/10.1103/physreve.47.r788
Abstract
In an experiment on the parametric excitation of capillary waves (the Faraday instability) we have observed a stable standing-wave pattern with twelvefold orientational order. This ‘‘quasipattern’’ is analogous to a two-dimensional quasicrystal, but it occurs in a macroscopic nonequilibrium fluid-dynamical system. It is observed in containers whose side walls are of various shapes including an irregular shape, and thus it cannot be ascribed to side-wall boundary effects.Keywords
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