Chirality and Biaxiality in Cholesteric Liquid Crystals

Physics – Condensed Matter – Soft Condensed Matter

Scientific paper

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4 pages, including 8 postscript figures, uses REVTeX 4

Scientific paper

10.1103/PhysRevE.83.020702

We investigate the statistical mechanics of chirality and biaxiality in liquid crystals through a variety of theoretical approaches, including Monte Carlo simulations, lattice mean-field theory, and Landau theory. All of these calculations show that there is an important interaction between cholesteric twist and biaxial order: The twist acts as a field on the biaxial order, and conversely, the biaxial order increases the twist, i.e. reduces the pitch. We model the behavior of chiral biaxial liquid crystals as a function of temperature, and discuss how the predictions can be tested in experiments.

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