Field-driven metamorphoses of isolated skyrmions within the conical state of cubic helimagnets

AO Leonov, C Pappas, II Smalyukh - Physical Review B, 2021 - APS
Topologically stable field configurations appear in many fields of physics, from elementary
particles to condensed matter and cosmology. Deep physical relations and common …

Skyrmions in antiferromagnets: Thermal stability and the effect of external field and impurities

MN Potkina, IS Lobanov, H Jónsson… - Journal of Applied …, 2020 - pubs.aip.org
Calculations of skyrmions in antiferromagnets (AFMs) are presented, and their properties
compared with skyrmions in corresponding ferromagnets (FMs). The rates of skyrmion …

Stability and lifetimes of magnetic states of nano-and microstructures (brief review)

IS Lobanov, MN Potkina, VM Uzdin - JETP Letters, 2021 - Springer
A statistical approach is presented to estimate the stability of magnetic states of nano-and
microstructures to thermal fluctuations and random external actions. It implies the …

Signature of anisotropic exchange interaction revealed by vector-field control of the helical order in a FeGe thin plate

V Ukleev, O Utesov, L Yu, C Luo, K Chen, F Radu… - Physical Review …, 2021 - APS
We investigated the low-temperature helical magnetic structures in a thin plate of chiral
magnet FeGe, paying special attention to the variation of the magnetic modulation period …

Topological structures in chiral media: Effects of confined geometry

IM Tambovtsev, AO Leonov, IS Lobanov, AD Kiselev… - Physical Review E, 2022 - APS
We theoretically study orientational structures in chiral magnetics and cholesteric liquid
crystal (CLC) nanosystems confined in the slab geometry. Our analysis is based on the …

Stability of in-plane and out-of-plane chiral skyrmions in epitaxial MnSi (111)/Si (111) thin films: Surface twists versus easy-plane anisotropy

AO Leonov, IM Tambovtcev, IS Lobanov, VM Uzdin - Physical Review B, 2020 - APS
The revisited theoretical phase diagrams for thin films of cubic helimagnets with the easy-
plane anisotropy are shown to have different topology as previously reported [EA Karhu et …

Observation of the skyrmion side-face state in a chiral magnet

X Xie, K Ran, Y Liu, R Fan, W Tan, H Jin, M Valvidares… - Physical Review B, 2023 - APS
We identify a three-dimensional skyrmion side-face state in chiral magnets that consists of a
thin layer of modulated surface spirals and an array of phase-locked skyrmion screws. Such …

Pair interaction of localized topological structures in confined chiral media

IM Tambovtsev, IS Lobanov, AD Kiselev, VM Uzdin - Physical Review E, 2023 - APS
We study pairwise interactions between localized topological structures in chiral magnetic
and cholesteric liquid crystal (CLC) systems confined in the planar geometry. Our …

Inducing skyrmion flop transitions in at room temperature

SA Meynell, YM Eggeler, JD Bocarsly, DA Kitchaev… - Physical Review …, 2023 - APS
Magnetic skyrmions are topologically-protected spin textures that manifest in certain
noncentrosymmetric ferromagnets under the right conditions of temperature and field. In thin …

Metastable solitonic states in the strained itinerant helimagnet FeGe

V Ukleev, Y Yamasaki, O Utesov, K Shibata… - Physical Review B, 2020 - APS
Tensile strain is a promising tool for the creation and manipulation of magnetic solitonic
textures in chiral helimagnets via tunable control of magnetic anisotropy and Dzyaloshinskii …