Topological spin crystals by itinerant frustration
Spin textures with nontrivial topology, such as vortices and skyrmions, have attracted
attention as a source of unconventional magnetic, transport, and optical phenomena …
attention as a source of unconventional magnetic, transport, and optical phenomena …
Square and rhombic lattices of magnetic skyrmions in a centrosymmetric binary compound
Magnetic skyrmions are topologically stable swirling spin textures with particle-like
character, and have been intensively studied as a candidate of high-density information bit …
character, and have been intensively studied as a candidate of high-density information bit …
Spontaneous antiferromagnetic skyrmion/antiskyrmion lattice and spiral spin-liquid states in the frustrated triangular lattice
M Mohylna, FA Gómez Albarracín, M Žukovič… - Physical Review B, 2022 - APS
Magnetic skyrmions are topological quasiparticles of great interest for data storage
applications because of their small size, high stability, and ease of manipulation via electric …
applications because of their small size, high stability, and ease of manipulation via electric …
Helicity locking of a square skyrmion crystal in a centrosymmetric lattice system without vertical mirror symmetry
S Hayami, R Yambe - Physical Review B, 2022 - APS
We theoretically investigate the stability of a square skyrmion crystal (SkX) in a
centrosymmetric tetragonal lattice structure with the emphasis on the role of the magnetic …
centrosymmetric tetragonal lattice structure with the emphasis on the role of the magnetic …
Multiple skyrmion crystal phases by itinerant frustration in centrosymmetric tetragonal magnets
S Hayami - Journal of the Physical Society of Japan, 2022 - journals.jps.jp
A skyrmion crystal (SkX) expressed as a multiple number of spiral modulations manifests
itself not only in its peculiar magnetic texture but also in nontrivial transport properties …
itself not only in its peculiar magnetic texture but also in nontrivial transport properties …
Field-Direction Sensitive Skyrmion Crystals in Cubic Chiral Systems: Implication to 4f-Electron Compound EuPtSi
S Hayami, R Yambe - Journal of the Physical Society of Japan, 2021 - journals.jps.jp
We theoretically study the stability of magnetic skyrmion crystals (SkXs) in chiral cubic
antiferromagnets with the EuPtSi hosting unconventional nanometric SkXs in mind. By …
antiferromagnets with the EuPtSi hosting unconventional nanometric SkXs in mind. By …
Rectangular and square skyrmion crystals on a centrosymmetric square lattice with easy-axis anisotropy
S Hayami - Physical Review B, 2022 - APS
We report our theoretical results on the emergence of a rectangular-and square-shaped
magnetic skyrmion crystals on a centrosymmetric square lattice with magnetic anisotropy. By …
magnetic skyrmion crystals on a centrosymmetric square lattice with magnetic anisotropy. By …
Effective spin model in momentum space: Toward a systematic understanding of multiple- instability by momentum-resolved anisotropic exchange interactions
R Yambe, S Hayami - Physical Review B, 2022 - APS
Multiple-Q magnetic states, such as a skyrmion crystal, become a source of unusual
transport phenomena and dynamics. Recent theoretical and experimental studies clarified …
transport phenomena and dynamics. Recent theoretical and experimental studies clarified …
Magnetic Interactions of the Centrosymmetric Skyrmion Material
The experimental realization of magnetic skyrmion crystals in centrosymmetric materials has
been driven by theoretical understanding of how a delicate balance of anisotropy and …
been driven by theoretical understanding of how a delicate balance of anisotropy and …
Multifarious skyrmion phases on a trilayer triangular lattice
S Hayami - Physical Review B, 2022 - APS
The instability toward a magnetic skyrmion crystal in centrosymmetric trilayer magnets is
investigated based on a spin model with layer-dependent Dzayloshinskii-Moriya interaction …
investigated based on a spin model with layer-dependent Dzayloshinskii-Moriya interaction …