Biaxial torus around nematic point defects
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 …
confined within a capillary tube whose lateral boundary enforces homeotropic anchoring …
Universal fine structure of nematic hedgehogs
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 …
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 …
spherical particle or droplet. Homeotropic boundary conditions and strong anchoring create …
Half-Integer Point Defects in the Q-Tensor Theory of Nematic Liquid Crystals
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 …
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 …
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
Dynamic (unsteady) defect structures arising in the hydrodynamics of sheared nematic
polymers are investigated by numerical simulations and real-time diagnostics in two space …
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 …
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 …
as well as experimental efforts to the understanding of the behavior of colloidal particles in …
Bulk and surface biaxiality in nematic liquid crystals
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 …
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
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 …
mathematical framework where the kinematics is a direct extension of the classical way of …