We study a discrete version of a biaxial nematic liquid crystal model with external fields via an approach based on the solution of differential identities for the partition function. In the …
The biaxial nematic phase diagram for the second rank Straley quadrupolar pair potential, as explored until now, implies that a direct transition from a biaxial nematic to an isotropic …
S Romano, G De Matteis - Physical Review E—Statistical, Nonlinear, and Soft …, 2011 - APS
We consider here a classical model, consisting of D 2 h symmetric particles, whose centers of mass are associated with a three-dimensional simple-cubic lattice; the pair potential is …
We have analyzed some properties of mean field theories of thermotropic biaxial liquid crystals with (D_2h) symmetry. The study consists of two parts. In the first part we reexamine …
R Berardi, C Zannoni - Biaxial Nematic Liquid Crystals: Theory …, 2015 - Wiley Online Library
This chapter discusses the various types of models and computer simulations applied to liquid crystals (LCs), providing details of the problems connected with biaxial nematics (NB) …
F Bisi, G De Matteis, S Romano - … Review E—Statistical, Nonlinear, and Soft …, 2013 - APS
We consider here a classical model, consisting of D 2 h-symmetric particles in a three- dimensional simple-cubic lattice; the pair potential is isotropic in orientation space, and …
The pseudo-molecular method is employed to obtain analytical expressions for the elastic constants of an ensemble of anisotropic particles, in both disc-like and rod-like geometries …
We investigate the phase sequence of biaxial liquid crystals, based on a general quadratic model Hamiltonian over the relevant parameter space, with a Monte Carlo simulation which …
F Bisi, G De Matteis, S Romano - … Review E—Statistical, Nonlinear, and Soft …, 2012 - APS
We address here a special, extreme case of the quadratic pair interaction potential between classical, D 2 h-symmetric particles (the generalized Straley model) on a three-dimensional …