Computer simulation of a biaxial nematogenic model on a three-dimensional lattice and based on a recently proposed interaction potential

Silvano Romano

Physica A: Statistical Mechanics and its Applications, 2004, vol. 337, issue 3, 505-519

Abstract: The present paper considers a biaxial nematogenic lattice model, involving particles of D2h symmetry, whose centres of mass are associated with a three-dimensional simple-cubic lattice; the pair potential is isotropic in orientation space, restricted to nearest neighbours, and has the simplified form recently proposed by Sonnet, et al. (Phys. Rev. E 67 (2003) 061701); the mean field analysis carried out by the named authors predicts a range of parameters where a direct first-order transition occurs between biaxial and isotropic phases; we have performed Monte Carlo simulations, and found results which qualitatively confirm their prediction.

Keywords: Liquid crystals; Nematics; Lattice models; Biaxiality (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:337:y:2004:i:3:p:505-519

DOI: 10.1016/j.physa.2004.02.001

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