ELECTROHYDRODYNAMIC FLOW IN NEMATIC THIN FILMS WITH TWO FREE SURFACES

Abstract
Thin layers of nematic LC with two free surfaces show a peculiar vortex-pattern when subjected to an electric field. In this paper we report some new observations on the vortex motion and we show that the Felici's model of the charge injection from the electrodes cannot account for some experimental results. The lines of a new electrohydrodynamic model are proposed and compared with the experimental data

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