Order-parameter fluctuations of a lyotropic liquid crystal in the nematic and isotropic phases
- 1 October 1990
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 42 (8) , 4764-4767
- https://doi.org/10.1103/physreva.42.4764
Abstract
We show, both through theory and light-scattering experiments, how the order-parameter fluctuations in a nematic liquid crystal can be decomposed into two parts: a critical part consisting of fluctuations in the magnitude of the order and a noncritical part, the well-known director fluctuations. Mean-field theory is shown to predict some new and interesting relations between these two components, most of which are confirmed by experiment.Keywords
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