Antiferroelectric smectic ordering of dipolar molecules from Monte Carlo simulations

G. Cholewiak; Joachim Stelzer; L. Longa

doi:10.1117/12.299966

1 February 1998 Antiferroelectric smectic ordering of dipolar molecules from Monte Carlo simulations

G. Cholewiak, Joachim Stelzer, L. Longa

Proceedings Volume 3318, Liquid Crystals: Physics, Technology, and Applications; (1998) https://doi.org/10.1117/12.299966
Event: Liquid Crystals, 1997, Zakopane, Poland

Abstract

We have performed Monte Carlo simulations for elongated molecules assuming an ideal orientational order. The intermolecular forces were derived form the Gay-Bernes model, where the long molecular axis were taken parallel to the z-direction. Additionally, we included dipole-dipole interactions by adding permanent dipoles along z. The dipoles were allowed to be oriented either up or down, similar to spin configurations in the Ising model. Their interactions were evaluated by using the Ewald summation technique.By changing temperature and the magnitude of the molecular dipoles we found an ideal nematic phase, smectc A¹ or A² phases.

Citation Download Citation

G. Cholewiak, Joachim Stelzer, and L. Longa "Antiferroelectric smectic ordering of dipolar molecules from Monte Carlo simulations", Proc. SPIE 3318, Liquid Crystals: Physics, Technology, and Applications, (1 February 1998); https://doi.org/10.1117/12.299966

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