Biaxial torus around nematic point defects

S Kralj, EG Virga, S Žumer - Physical Review E, 1999 - APS
We study the biaxial structure of both line and point defects in a nematic liquid crystal
confined within a capillary tube whose lateral boundary enforces homeotropic anchoring …

Universal fine structure of nematic hedgehogs

S Kralj, EG Virga - Journal of Physics A: Mathematical and …, 2001 - iopscience.iop.org
We study in a Landau-de Gennes approach the biaxial structure of a nematic point defect
with topological charge M=+ 1. We aim to illuminate the role of the confining boundaries in …

Computer simulation of topological defects around a colloidal particle or droplet dispersed in a nematic host

D Andrienko, G Germano, MP Allen - Physical Review E, 2001 - APS
We use molecular dynamics to study the ordering of a nematic liquid crystal around a
spherical particle or droplet. Homeotropic boundary conditions and strong anchoring create …

Half-Integer Point Defects in the Q-Tensor Theory of Nematic Liquid Crystals

G Di Fratta, JM Robbins, V Slastikov… - Journal of Nonlinear …, 2016 - Springer
We investigate prototypical profiles of point defects in two-dimensional liquid crystals within
the framework of Landau–de Gennes theory. Using boundary conditions characteristic of …

Molecular simulation and theory of a liquid crystalline disclination core

D Andrienko, MP Allen - Physical Review E, 2000 - APS
Molecular simulations of a nematic liquid crystal confined in cylinder geometry with
homeotropic anchoring have been carried out. The core structure of a disclination line defect …

Dynamic defect morphology and hydrodynamics of sheared nematic polymers in two space dimensions

X Yang, MG Forest, W Mullins, Q Wang - Journal of Rheology, 2009 - pubs.aip.org
Dynamic (unsteady) defect structures arising in the hydrodynamics of sheared nematic
polymers are investigated by numerical simulations and real-time diagnostics in two space …

Disclination core structure and induced phase change in nematic liquid crystals

NJ Mottram, SJ Hogan - … of the Royal Society of London …, 1997 - royalsocietypublishing.org
Using a continuum theory which allows for changes in variables which represent the phase
and biaxiality of the liquid crystal as well as the director field, the core structure of plus or …

Colloidal particles in liquid crystal films and at interfaces

M Tasinkevych, D Andrienko - arXiv preprint arXiv:1011.1189, 2010 - arxiv.org
This mini-review discusses the recent contribution of theoretical and computational physics
as well as experimental efforts to the understanding of the behavior of colloidal particles in …

Bulk and surface biaxiality in nematic liquid crystals

P Biscari, G Napoli, S Turzi - Physical Review E—Statistical, Nonlinear, and …, 2006 - APS
Nematic liquid crystals possess three different phases: isotropic, uniaxial, and biaxial. The
ground state of most nematics is either isotropic or uniaxial, depending on the external …

A non-traditional view on the modeling of nematic disclination dynamics

C Zhang, X Zhang, A Acharya, D Golovaty… - Quarterly of Applied …, 2017 - ams.org
Non-singular disclination dynamics in a uniaxial nematic liquid crystal is modeled within a
mathematical framework where the kinematics is a direct extension of the classical way of …