[HTML][HTML] Beyond skyrmions: Review and perspectives of alternative magnetic quasiparticles
Magnetic skyrmions have attracted enormous research interest since their discovery a
decade ago. The non-trivial real-space topology of these nano-whirls leads to fundamentally …
decade ago. The non-trivial real-space topology of these nano-whirls leads to fundamentally …
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 …
The 2020 skyrmionics roadmap
The notion of non-trivial topological winding in condensed matter systems represents a
major area of present-day theoretical and experimental research. Magnetic materials offer a …
major area of present-day theoretical and experimental research. Magnetic materials offer a …
Skyrmion lattice with a giant topological Hall effect in a frustrated triangular-lattice magnet
Geometrically frustrated magnets can host complex spin textures, leading to unconventional
electromagnetic responses. Magnetic frustration may also promote topologically nontrivial …
electromagnetic responses. Magnetic frustration may also promote topologically nontrivial …
Nanometric square skyrmion lattice in a centrosymmetric tetragonal magnet
Magnetic skyrmions are topologically stable spin swirls with a particle-like character and are
potentially suitable for the design of high-density information bits. Although most known …
potentially suitable for the design of high-density information bits. Although most known …
Skyrmion phase and competing magnetic orders on a breathing kagomé lattice
Magnetic skyrmion textures are realized mainly in non-centrosymmetric, eg chiral or polar,
magnets. Extending the field to centrosymmetric bulk materials is a rewarding challenge …
magnets. Extending the field to centrosymmetric bulk materials is a rewarding challenge …
Square skyrmion crystal in centrosymmetric itinerant magnets
We theoretically investigate the origin of the square-type skyrmion crystal in centrosymmetric
itinerant magnets, motivated by the recent experimental findings in GdRu 2 Si 2 [ND Khanh …
itinerant magnets, motivated by the recent experimental findings in GdRu 2 Si 2 [ND Khanh …
Topological exceptional surfaces in non-Hermitian systems with parity-time and parity-particle-hole symmetries
R Okugawa, T Yokoyama - Physical Review B, 2019 - APS
We study a topological band degeneracy in non-Hermitian systems with parity-time (PT) and
parity-particle-hole (CP) symmetries. In d-dimensional non-Hermitian systems, it is shown …
parity-particle-hole (CP) symmetries. In d-dimensional non-Hermitian systems, it is shown …
Spontaneous skyrmionic lattice from anisotropic symmetric exchange in a Ni-halide monolayer
Topological spin structures, such as magnetic skyrmions, hold great promises for data
storage applications, thanks to their inherent stability. In most cases, skyrmions are …
storage applications, thanks to their inherent stability. In most cases, skyrmions are …