Effects of weak anchoring on C1 and C2 chevron structures

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We present a theoretical study of the effect of weak anchoring on the transition between C1 and C2 chevron structures in smectic C liquid crystals. We employ a continuum theory which allows for variable cone, azimuthal and layer tilt angles. Equilibrium profiles for the director cone and azimuthal angles in the C1 and C2 states are calculated from the standard Euler-Lagrange minimisation of the total energy of the system. By comparing the total energies of the C1 and C2 states we can determine the globally stable chevron profile and calculate the critical temperature for the C1-C2 transition, which depends on anchoring strength and pretilt angle variations.
Original languageEnglish
Pages (from-to)1581-1589
Number of pages8
JournalMolecular Crystals and Liquid Crystals
Publication statusPublished - 2005


  • surface-stabilised ferroelectric liquid crystals
  • weak anchoring
  • C1
  • C2 structure formation
  • physics

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