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Stability of equilibrium states in finite samples of smectic C* liquid crystals

Stewart, I.W. (2005) Stability of equilibrium states in finite samples of smectic C* liquid crystals. Journal of Physics A: Mathematical and Theoretical, 38 (9). pp. 1853-1873.

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Abstract

Equilibrium solutions for a sample of ferroelectric smectic C (SmC*) liquid crystal in the 'bookshelf' geometry under the influence of a tilted electric field will be presented. A linear stability criterion is identified and used to confirm stability for typical materials possessing either positive or negative dielectric anisotropy. The theoretical response times for perturbations to the equilibrium solutions are calculated numerically and found to be consistent with estimates for response times in ferroelectric smectic C liquid crystals reported elsewhere in the literature for non-tilted fields.