Mathematics and liquid crystals

JM Ball - Molecular Crystals and Liquid Crystals, 2017 - Taylor & Francis
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Solution landscapes of the simplified Ericksen–Leslie model and its comparisonwith the reduced Landau–deGennes model

Y Han, J Yin, Y Hu, A Majumdar… - Proceedings of the …, 2021 - royalsocietypublishing.org
We investigate the solution landscapes of a simplified Ericksen–Leslie (sEL) vector model
for nematic liquid crystals, confined in a two-dimensional square domain with tangent …

A reduced study for nematic equilibria on two-dimensional polygons

Y Han, A Majumdar, L Zhang - SIAM Journal on Applied Mathematics, 2020 - SIAM
We study reduced nematic equilibria on regular two-dimensional polygons with Dirichlet
tangent boundary conditions in a reduced two-dimensional Landau--de Gennes framework …

Order reconstruction for nematics on squares with isotropic inclusions: A Landau--de Gennes study

Y Wang, G Canevari, A Majumdar - SIAM Journal on Applied Mathematics, 2019 - SIAM
We prove the existence of a well order reconstruction solution (WORS)-type Landau--de
Gennes critical point on a square domain with an isotropic concentric square inclusion, with …

Order reconstruction for nematics on squares and hexagons: A Landau--de Gennes study

G Canevari, A Majumdar, A Spicer - SIAM Journal on Applied Mathematics, 2017 - SIAM
We construct an order reconstruction (OR-) type Landau--de Gennes critical point on a
square domain of edge length 2λ, motivated by the well order reconstruction solution …

Minimizers of the Landau–de Gennes energy around a spherical colloid particle

S Alama, L Bronsard, X Lamy - Archive for Rational Mechanics and …, 2016 - Springer
We consider energy minimizing configurations of a nematic liquid crystal around a spherical
colloid particle, in the context of the Landau–de Gennes model. The nematic is assumed to …

Elastic anisotropy in the reduced Landau–de Gennes model

Y Han, J Harris, A Majumdar… - Proceedings of the …, 2022 - royalsocietypublishing.org
We study the effects of elastic anisotropy on Landau–de Gennes critical points, for nematic
liquid crystals, on a square domain. The elastic anisotropy is captured by a parameter, L 2 …

Discontinuous order parameters in liquid crystal theories

JM Ball, SJ Bedford - Molecular Crystals and Liquid Crystals, 2015 - Taylor & Francis
The paper is concerned with various issues surrounding the mathematical description of
defects in models of liquid crystals, drawing on experience from solid mechanics. The roles …

The well order reconstruction solution for three-dimensional wells, in the Landau–de Gennes theory

G Canevari, J Harris, A Majumdar, Y Wang - International journal of non …, 2020 - Elsevier
We study nematic equilibria on three-dimensional square wells, with emphasis on Well
Order Reconstruction Solutions (WORS) as a function of the well size, characterized by λ …

Nematic liquid crystals in a rectangular confinement: Solution landscape, and bifurcation

B Shi, Y Han, L Zhang - SIAM Journal on Applied Mathematics, 2022 - SIAM
We study the solution landscape and bifurcation diagrams of nematic liquid crystals confined
on a rectangle, using a reduced two-dimensional Landau–de Gennes framework in terms of …