Unified model of the smectic-, nematic, and isotropic phases for bulk, interfaces, and thin films: Bulk
- 1 May 1980
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 21 (5), 1687-1697
- https://doi.org/10.1103/physreva.21.1687
Abstract
A lattice model for three liquid crystalline phases is presented and solved in the mean-field approximation. Numerical results are obtained for the bulk phases. We find isotropic, nematic, and smectic- phases, with the possibility of nematic-isotropic, smectic-—isotropic, and nematic-smectic- (NS) transitions. The NS transition can be first or second order, depending upon the choice of molecular potential. Examples modeling the materials octyl-oxycyanobiphenyl (8OCB) and cholersteryl myristate are considered.
Keywords
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