Symmetric and antisymmetric constitutive tensors for bi-isotropic and bi-anisotropic media

PDS Silva, R Casana, MM Ferreira Jr - Physical Review A, 2022 - APS
The Maxwell equations and the constitutive relations describe the classical propagation of
electromagnetic waves in continuous matter. Here, we investigate the effects stemming from …

Effects of -odd terms of dimensions three and five on electromagnetic propagation in continuous matter

PDS Silva, L Lisboa-Santos, MM Ferreira Jr, M Schreck - Physical Review D, 2021 - APS
In this work we study how CPT-odd Maxwell-Carroll-Field-Jackiw (MCFJ) electrodynamics
as well as a dimension-5 extension of it affect the optical activity of continuous media. The …

[HTML][HTML] Materials with Negative Permittivity or Negative Permeability—Review, Electrodynamic Modelling, and Applications

J Krupka - Materials, 2025 - mdpi.com
A review of natural materials that exhibit negative permittivity or permeability, including
gaseous plasma, metals, superconductors, and ferromagnetic materials, is presented. It is …

[HTML][HTML] Accurate measurements of the ferromagnetic resonance linewidth of single crystal BaM hexaferrite spheres employing magnetic plasmon resonance theory

A Pacewicz, J Krupka, JH Mikkelsen, A Lynnyk… - Journal of Magnetism …, 2023 - Elsevier
Accurate measurements of the intrinsic ferromagnetic linewidth of a single-crystal Sc-doped
hexagonal M-type barium ferrite (BaM) 308-µm-diameter sphere at millimeter-wave …

Modal FEM analysis of ferrite resonant structures

M Warecka, G Fotyga, P Kowalczyk… - IEEE Microwave and …, 2022 - ieeexplore.ieee.org
The finite-element method (FEM) is applied for modal analysis of ferrite-loaded spherical
resonators. To improve the efficiency of the numerical calculations, the body-of-revolution …

[HTML][HTML] Magnetostatic modes in a hollow ferromagnetic sphere

DE Saldanha-Bautista, E Padrón-Hernández - Physics Letters A, 2022 - Elsevier
A study about magnetostatic modes in a hollow sphere of inner radius r 1 and outer radius r
2, is presented. The eigenfrequencies are represented as a function of r 1/r 2 (the aspect …

Magnetostatic modes in a Purely Conductive Material@ Ferromagnetic (Core@ Shell) spherical structure

DE Saldanha-Bautista, E Padrón-Hernández - Journal of Magnetism and …, 2023 - Elsevier
In the present work we study the dispersion relation of magnetostatic modes in the spherical
core@ shell structure of purely conductive material (PCM) as core and soft ferromagnetic …

Topological properties and polarization states of magnetostatic modes in a hollow ferromagnetic sphere

DE Saldanha-Bautista, E Padrón-Hernández - Journal of Magnetism and …, 2025 - Elsevier
Using the solution for magnetostatic modes in a hollow sphere, it is possible to determine
the dynamic magnetization configurations through the use of Topology concepts. The results …

Magnetostatic (MSW) modes in a Dielectric@ Ferromagnetic (Core@ Shell) spherical structure

DE Saldanha-Bautista, E Padrón-Hernández - Physica B: Condensed …, 2023 - Elsevier
The solutions for magnetostatic spin waves (MSW) modes in a spherical structure were
studied. A spherical core@ shell structure, of soft ferromagnetic (FM) shell and a dielectric …

Classical electrodynamics as a tool to examine optical effects of chiral dielectrics and media with magnetic conductivity

PDS Silva, MM Ferreira Jr - arXiv preprint arXiv:2406.07654, 2024 - arxiv.org
We discuss how classical electromagnetic techniques are useful to describe optical effects
in conventional and chiral dielectric systems endowed with optical activity. Starting from the …