Landau Free Energy Expansion for Chiral Ferroelectric Smectic Liquid Crystals
- 1 December 1984
- journal article
- research article
- Published by Taylor & Francis in Molecular Crystals and Liquid Crystals
- Vol. 114 (1-3), 259-270
- https://doi.org/10.1080/00268948408071711
Abstract
The biquadratic coupling between the tilt and polarization is added to the usual bilinear coupling in the Landau free energy density expansion describing the SmA - SmC* transition. The effect on the temperature dependence of the tilt, spontaneous polarization and the pitch of the helix is studied. The results agree qualitatively with measured data.Keywords
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