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Bekki-Nozaki Amplitude Holes in Hidrothermal Nonlinear Waves
Authors: Burguete, J. (J.)
Chate, H. (H.)
Daviaud, F. (F.)
Mukolobwiez, N. (Nathalie)
Keywords: Materias Investigacion::Física
Issue Date: 1999
Publisher: American Physical Society
ISSN: 0031-9007
Citation: Phys Rev Lett, 82 (16), pp. 3252-3255
We present and analyze experimental results on the dynamics of hydrothermal waves occurring in a laterally heated fluid layer. We argue that the large-scale modulations of the waves are governed by a one-dimensional complex Ginzburg-Landau equation (CGLE). We determine quantitatively all the coefficients of this amplitude equation using the localized amplitude holes observed in the experiment, which we show to be well described as Bekki-Nozaki hole solutions of the CGLE.
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