Inversion effect of electrohydrodynamic vortices in the isotropic and anisotropic phase of thin nematic layers with two free surfacesReport as inadecuate




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Abstract : Thin layers of nematic liquid crystal with two free surfaces show a vortex pattern if they are subjected to an electric field. In this paper, we study a characteristic inversion of the hydrodynamic flow, that occurs if a pulsed electric field is applied. Such an effect is interpreted in terms of the relaxation mechanisms of the layer.

Keywords : electrohydrodynamics nematic liquid crystals vortices electrohydrodynamic vortices anisotropic phase thin nematic layers free surfaces vortex pattern electric field hydrodynamic flow relaxation mechanisms isotropic phase inversion effect





Author: C. Domenici S. Faetti L. Fronzoni

Source: https://hal.archives-ouvertes.fr/



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