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Proceedings Paper

Multicanonical Markov chain Monte Carlo simulation of nematic-isotropic phase transition in liquid crystals
Author(s): A. K. Chakravarthy; K. Venu; V. S. S. Sastry; K. P.N. Murthy
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Paper Abstract

Temperature driven first order transition from isotropic to nematic phase in liquid crystals with and without random and quenched orientational disorder is investigated employing multicanonical Monte Carlo simulation. A lattice model with periodic boundary conditions is employed with the pair wise interaction of two nearest neighbor liquid crystal molecules given by the Lebwohl-Lasher potential. The transition temperature decreases with increase of disorder; also the transition appears to soften under strong disorder.

Paper Details

Date Published: 1 September 2004
PDF: 6 pages
Proc. SPIE 5565, XV Conference on Liquid Crystals, (1 September 2004); doi: 10.1117/12.581100
Show Author Affiliations
A. K. Chakravarthy, Univ. of Hyderabad (India)
K. Venu, Univ. of Hyderabad (India)
V. S. S. Sastry, Univ. of Hyderabad (India)
K. P.N. Murthy, Indira Gandhi Ctr. for Atomic Research (India)

Published in SPIE Proceedings Vol. 5565:
XV Conference on Liquid Crystals
Jozef Zmija, Editor(s)

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