Topological steering of light by nematic vortices and analogy to cosmic strings
C Meng, JS Wu, II Smalyukh - Nature Materials, 2023 - nature.com
Liquid crystals are widely known for their technological uses in displays, electro-optics,
photonics and nonlinear optics, but these applications typically rely on defining and …
photonics and nonlinear optics, but these applications typically rely on defining and …
Introduction to topological defects: from liquid crystals to particle physics
Liquid crystals are assemblies of rod-like molecules which self-organize to form
mesophases, in between ordinary liquids and anisotropic crystals. At each point, the …
mesophases, in between ordinary liquids and anisotropic crystals. At each point, the …
The generalized Klein–Gordon oscillator in the background of cosmic string space-time with a linear potential in the Kaluza–Klein theory
F Ahmed - The European Physical Journal C, 2020 - Springer
In this work, we study the generalized Klein–Gordon oscillator with interactions on a curved
background within the Kaluza–Klein theory. We solve the generalized Klein–Gordon …
background within the Kaluza–Klein theory. We solve the generalized Klein–Gordon …
[HTML][HTML] Feshbach–Villars oscillator in Kaluza-Klein theory
This research focuses on exploring the relativistic quantum dynamics of spin-0 scalar
massive charged particles within the framework of the relativistic Feshbach-Villars oscillator …
massive charged particles within the framework of the relativistic Feshbach-Villars oscillator …
Klein–Gordon oscillator in Kaluza–Klein theory
J Carvalho, AMM Carvalho, E Cavalcante… - The European Physical …, 2016 - Springer
In this contribution we study the Klein–Gordon oscillator on the curved background within
the Kaluza–Klein theory. The problem of the interaction between particles coupled …
the Kaluza–Klein theory. The problem of the interaction between particles coupled …
Geometric theory of topological defects: methodological developments and new trends
Liquid crystals generally support orientational singularities of the director field known as
topological defects. These latter modify transport properties in their vicinity as if the geometry …
topological defects. These latter modify transport properties in their vicinity as if the geometry …
Relativistic quantum dynamics of spin-0 massive charged particle in the presence of external fields in 4D curved space-time with a cosmic string
F Ahmed - The European Physical Journal Plus, 2020 - Springer
In this work, we investigate the relativistic quantum dynamics of spin-0 massive charged
particles in a 4D curved space-time, the generalization of a cosmic string space-time. We …
particles in a 4D curved space-time, the generalization of a cosmic string space-time. We …
Optical wormhole from hollow disclinations
F dos S. Azevedo, JDM de Lima, A de Pádua Santos… - Physical Review A, 2021 - APS
We examine the optical properties of two different configurations of an ordered liquid crystal
film on a catenoid forming coreless disclinations. We find the effective optical metric from …
film on a catenoid forming coreless disclinations. We find the effective optical metric from …
Anchoring transitions of transversely polar liquid-crystal molecules on perfluoropolymer surfaces
We report a strong discontinuous orientational transition (anchoring transition) of liquid-
crystal molecules with a large transverse dipole moment. A perfluoropolymer was used as …
crystal molecules with a large transverse dipole moment. A perfluoropolymer was used as …
Quantum Effects on Klein–Gordon Oscillator under a Cornell-type Potential in Kaluza–Klein Theory
F Ahmed - Gravitation and Cosmology, 2021 - Springer
Abstract We solve the Klein–Gordon oscillator equation in the five-dimensional cosmic string
space-time background with a uniform magnetic field and quantum flux in the presence of a …
space-time background with a uniform magnetic field and quantum flux in the presence of a …