Anisotropy of the elastic constants in SmC* liquid crystal films

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Abstract

We consider a film of SmC* liquid crystal with its layers parallel to an applied electric field. The liquid crystal is assumed to align uniformly under the influence of the field, except along domain walls. By employing a nonlinear continuum theory for smectic liquid crystals we can examine the width of domain walls perpendicular and parallel to the field. We obtain predictions for the wall widths based on the elastic constants and dielectric properties of the SmC* liquid crystal. Exact analytical expressions for the wall widths are obtained by assuming series expansions in the elastic anisotropy and dielectric parameters.
Original languageEnglish
Pages (from-to)117-125
Number of pages9
JournalMolecular Crystals and Liquid Crystals
Volume449
Issue number1
Early online date31 Aug 2006
DOIs
Publication statusPublished - 2006

Keywords

  • dielectric
  • domain walls
  • smectic liquid crystals

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