Theory of nonlinear elastic behavior of nematic liquid crystals near the nematic-smectic-Aphase transition
- 1 January 1977
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 15 (1) , 337-340
- https://doi.org/10.1103/physreva.15.337
Abstract
We calculate the smectic order-parameter contribution to the nematic elastic energy near a second-order nematic-smectic- phase transition and show that the elastic behavior is nonlinear for large strains. We show that the Fredericksz transition in a magnetic field becomes first order to a highly strained state within 0.1°C of the phase transition under typical experimental conditions.
Keywords
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