Excitability in liquid crystal

The spiral waves observed in a liquid crystal submitted to a vertical electric field and a horizontal rotating magnetic field are explained in the framework of a purely mechanical description of the liquid crystal. The originality of the experiment described in this paper is the presence of the vert...

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Bibliographic Details
Published in:Chaos (Woodbury, N.Y.) N.Y.), 1994-09, Vol.4 (3), p.485-489
Main Authors: Coullet, P., Frisch, T., Gilli, J. M., Rica, S.
Format: Article
Language:English
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Summary:The spiral waves observed in a liquid crystal submitted to a vertical electric field and a horizontal rotating magnetic field are explained in the framework of a purely mechanical description of the liquid crystal. The originality of the experiment described in this paper is the presence of the vertical electric field which allows us to analyze the spiral waves in the framework of a weakly nonlinear theory.
ISSN:1054-1500
1089-7682
DOI:10.1063/1.166026