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Computer simulation studies of anisotropic systems. XXXII. Field-induction of a smectic A phase in a Gay-Berne mesogen

Record type: Article

Molecular field theory predicts the induction of a smectic A phase by the application of a field, either magnetic or electric, to a nematic phase. This intriguing behavior results from an enhancement of the orientational order which is coupled to the translational order and so shifts the smectic A-nematic transition. To test this prediction we have investigated a system of Gay-Berne mesogenic molecules subject to an applied field of second rank using isothermal-isobaric Monte Carlo simulations. The results of our calculations are compared with the Kventsel-Luckhurst-Zewdie molecular field theory of smectogens, modified to include the effect of an external field. We have also used the simulations to explore the possibility of inducing more ordered smectic phases with stronger fields.

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Citation

Luckhurst, G. R. and Saielli, G. (2000) Computer simulation studies of anisotropic systems. XXXII. Field-induction of a smectic A phase in a Gay-Berne mesogen The Journal of Chemical Physics, 112, (9), pp. 4342-4350. (doi:10.1063/1.480981).

More information

Published date: 1 March 2000
Keywords: liquid-crystals, a-phase, transition, model

Identifiers

Local EPrints ID: 19053
URI: http://eprints.soton.ac.uk/id/eprint/19053
ISSN: 0021-9606
PURE UUID: 57878343-b332-43ba-9aaa-c4fd3ce75364

Catalogue record

Date deposited: 21 Dec 2005
Last modified: 17 Jul 2017 16:34

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Contributors

Author: G. R. Luckhurst
Author: G. Saielli

University divisions


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