New dimension in magnetism and superconductivity: 3D and curvilinear nanoarchitectures

D Makarov, OM Volkov, A Kákay… - Advanced …, 2022 - Wiley Online Library
Traditionally, the primary field, where curvature has been at the heart of research, is the
theory of general relativity. In recent studies, however, the impact of curvilinear geometry …

A perspective on curvilinear magnetism

DD Sheka - Applied Physics Letters, 2021 - pubs.aip.org
By exploring geometry-governed magnetic interactions, curvilinear magnetism offers a
number of intriguing effects in curved magnetic wires and curved magnetic films. Recent …

Chirality coupling in topological magnetic textures with multiple magnetochiral parameters

OM Volkov, D Wolf, OV Pylypovskyi, A Kákay… - Nature …, 2023 - nature.com
Chiral effects originate from the lack of inversion symmetry within the lattice unit cell or
sample's shape. Being mapped onto magnetic ordering, chirality enables topologically non …

Variational principles of micromagnetics revisited

G Di Fratta, CB Muratov, FN Rybakov… - SIAM Journal on …, 2020 - SIAM
We revisit the basic variational formulation of the minimization problem associated with the
micromagnetic energy, with an emphasis on the treatment of the stray field contribution to …

Curvature-induced drift and deformation of magnetic skyrmions: Comparison of the ferromagnetic and antiferromagnetic cases

KV Yershov, A Kákay, VP Kravchuk - Physical Review B, 2022 - APS
The influence of the geometrical curvature of chiral magnetic films on the static and dynamic
properties of hosted skyrmions is studied theoretically. We predict the effects of the curvature …

Magnetization in narrow ribbons: curvature effects

Y Gaididei, A Goussev, VP Kravchuk… - Journal of Physics A …, 2017 - iopscience.iop.org
A ribbon is a surface swept out by a line segment turning as it moves along a central curve.
For narrow magnetic ribbons, for which the length of the line segment is much less than the …

Effect of curvature on the eigenstates of magnetic skyrmions

A Korniienko, A Kákay, DD Sheka, VP Kravchuk - Physical Review B, 2020 - APS
Spectrum of spin eigenmodes localized on a ferromagnetic skyrmion pinned by a
geometrical defect (bump) of magnetic films is studied theoretically. By means of direct …

Chiral skyrmion and skyrmionium states engineered by the gradient of curvature

OV Pylypovskyi, D Makarov, VP Kravchuk… - Physical Review …, 2018 - APS
Curvilinear nanomagnets can support magnetic skyrmions stabilized at a local curvature
without any intrinsic chiral interactions. Here, we propose an alternative mechanism to …

Micromagnetics of curved thin films

G Di Fratta - Zeitschrift für angewandte Mathematik und Physik, 2020 - Springer
In this paper, we aim at a reduced 2 d-model describing the observable states of the
magnetization in curved thin films. Under some technical assumptions on the geometry of …

Magnetism in curved geometries

R Streubel, EY Tsymbal, P Fischer - Journal of Applied Physics, 2021 - pubs.aip.org
Curvature impacts physical properties across multiple length scales, ranging from the
macroscopic scale, where the shape and size vary drastically with the curvature, to the …