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Title: Flexoelectric origin of oblique-roll electrohydrodynamic instability in nematics
Authors: Madhusudana, N.V.
Raghunathan, V.A.
Sumathy, K.R.
Keywords: Nematic Liquid crystals
Oblique roll instability
Issue Date: Mar-1987
Publisher: Indian Academy of Sciences, Bangalore, India.
Citation: Pramana, 1987, Vol. 28, pL311-L1316.
Abstract: We develop the theory of electrohydrodynamic instability in nematic liquid crystals by incorporating the flexoelectric terms. Using a one-dimensional linear analysis of the problem for an applied DC field, we demonstrate that for the usual materials the rolls have an oblique orientation as has been found experimentally. We also provide an experimental evidence for the strong flexoelectric influence on the director profile in the rolls.
ISSN: 0304-4289
Copyright: Indian Academy of Sciences, Bangalore, India.
Appears in Collections:Research Papers (SCM)

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