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Liquid crystal director fluctuations and surface anchoring by molecular simulation

Andrienko, D; Germano, G; Allen, MP; (2000) Liquid crystal director fluctuations and surface anchoring by molecular simulation. Physical Review E , 62 (5) pp. 6688-6693. 10.1103/PhysRevE.62.6688.

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Abstract

We propose a simple and reliable method to measure the liquid crystal surface anchoring strength by molecular simulation. The method is based on the measurement of the long-range fluctuation modes of the director in confined geometry. As an example, molecular simulations of a liquid crystal in slab geometry between parallel walls with homeotropic anchoring have been carried out using the Monte Carlo technique. By studying different slab thicknesses, we are able to calculate separately the position of the elastic boundary condition and the extrapolation length.

Type: Article
Title: Liquid crystal director fluctuations and surface anchoring by molecular simulation
Location: UNITED STATES
DOI: 10.1103/PhysRevE.62.6688
Publisher version: http://dx.doi.org/10.1103/PhysRevE.62.6688
Language: English
Additional information: Preprint version available in ArXiv: http://arxiv.org/abs/cond-mat/0203043.
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Computer Science
URI: http://discovery.ucl.ac.uk/id/eprint/1407461
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