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On the phase dynamics of hexagonal patterns

par Lauzeral, J.;Metens, Stéphane ;Walgraef, Daniel
Référence Europhysics letters, 24, 9, page (707-712)
Publication Publié, 1993-12

Article révisé par les pairs

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Résumé :

Physico-chemical systems driven away from thermal equilibrium usually undergo various types of instabilities leading to the formation of spatio-temporal patterns on macroscopic time and space scales. In two-dimensional geometries, patterns of different symmetries may be simultaneously stable. We study here the phase stability of hexagonal planforms in the framework of amplitude equations and reduced dynamical models close to the instability points. © 1993 IOP Publishing Ltd.