Elastic constants and pair potentials for nematogenic lattice models

S Romano - International Journal of Modern Physics B, 1998 - World Scientific
Director configurations in nematic Liquid Crystals can be determined by minimizing their
elastic free-energy density, on the basis of elastic constants and of specific boundary …

Computer simulation study of a nematogenic lattice model based on an elastic energy map** of the pair potential

GR Luckhurst, S Romano - Liquid crystals, 1999 - Taylor & Francis
Director configurations in a nematic liquid crystal can be determined by minimizing its total
elastic free energy, for given elastic constants and specific boundary conditions. In some …

Bent core molecules and the biaxial nematic phase: A transverse dipole widens the optimal angle

MA Bates - Chemical physics letters, 2007 - Elsevier
Recent claims that bent core molecules can exhibit the elusive biaxial nematic phase reveal
a molecular structure that differs significantly from the geometry predicted by theory. One …

Computer simulation studies of anisotropic systems: VIII. the Lebwohl-Lasher model of nematogens revisited

GR Luckhurst, P Simpson - Molecular Physics, 1982 - Taylor & Francis
The Lebwohl-Lasher model of a nematogen provides a simple system with which to study
the order-disorder transition and to examine the properties of the nematic phase. We have …

Computer simulation studies of nematic liquid crystal tactoids

MA Bates - Chemical physics letters, 2003 - Elsevier
Monte Carlo simulations are used to study the equilibrium shapes of unconstrained nematic
liquid crystal droplets or tactoids in an isotropic medium. The tactoids are approximately …

Phase behavior and free interfaces of a lattice-gas nematic-liquid-crystal model

MA Bates - Physical Review E, 2002 - APS
The phase behavior of a mesogenic lattice-gas model consisting of molecules located at the
sites of a three-dimensional cubic lattice has been studied using grand canonical Monte …

COMPUTER SIMULATION STUDY OF A NEMATOGENIC LATTICE MODEL BASED ON THE NEHRING–SAUPE INTERACTION POTENTIAL

R Hashim, S Romano - International Journal of Modern Physics B, 1999 - World Scientific
By now, nematogenic lattice models have been extensively studied in the literature; they
usually involve cylindrically symmetric (uniaxial) particles and isotropic interaction potentials …

Computer simulation study of a two-dimensional dipolar lattice

S Romano - Il Nuovo Cimento D, 1987 - Springer
The present work reports Monte Carlo calculations on a classical square lattice, consisting of
purely dipolar plane rotators with identical dipole moments. Dipolar interactions are known …

Computer simulation study of a two-dimensional nematogenic lattice model based on the Gruhn–Hess interaction potential

S Romano - Physics Letters A, 2002 - Elsevier
We consider a nematogenic lattice model, associated with a 2-dimensional lattice; the
nearest-neighbour interaction potential, proposed by Gruhn and Hess [Z. Naturforsch. A 51 …

Computer simulation studies of anisotropic systems. IX. The Maier—Saupe theory for nematic liquid crystals and the molecular field approximation

GR Luckhurst, S Romano, P Simpson - Chemical Physics, 1982 - Elsevier
The first real test of the molecular field approximation employed in the Maier—Saupe theory
of nematic liquid crystals was provided by the Lebwohl—Lasher Monte-Carlo simulation of …