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Please use this identifier to cite or link to this item: http://hdl.handle.net/2289/1123

Title: Flexoelectric origin of oblique rolls with helical flow in electroconvective nematics under DC excitation.
Authors: Raghunathan, V.A.
Madhusudana, N.V.
Keywords: Nematic Liquid Crystals
Flexoelasticity
Oblique roll instability
Electrodynamics
Issue Date: Aug-1988
Publisher: Indian Academy of Sciences, Bangalore, India.
Citation: Pramana, 1988, Vol. 31, pL163-L167.
Abstract: We present a 3-dimensional, linear analysis of electrohydrodynamic (EHD) roll instability in a nematic liquid crystal under DC excitation. It is shown that the flexoelectric effect leads to a new symmetry of the flow pattern, viz. a helical flow in oblique rolls. Our experimental observations agree with the theoretical predictions.
URI: http://hdl.handle.net/2289/1123
ISSN: 0304-4289
Copyright: Indian Academy of Sciences, Bangalore, India.
Appears in Collections:Research Papers (SCM)

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