103 citations · 197 across the 8 of their papers we have counts for
8 papers
The 2026 Skyrmionics Roadmap
Sabri Koraltan, Claas Abert, Manfred Albrecht +64
Magnetic skyrmions and related topological spin textures have emerged as a central topic in condensed-matter physics, combining fundamental significance with potential for transfor…
Square skyrmion lattice in multiorbital -electron systems
Yan Zha, Satoru Hayami
We report the emergence of a square-shaped skyrmion lattice in multi-orbital -electron systems with easy-axis magnetic anisotropy on a centrosymmetric square lattice. By perform…
SP-STM study of the multi-Q phases in GdRu2Si2
Jonas Spethmann, Nguyen Duy Khanh, Haruto Yoshimochi +6
The two stable surfaces of GdRu2Si2 are studied using spin-polarized scanning tunneling microscopy (SP-STM). Depending on the applied magnetic field different magnetic phases have…
Multi-step topological transitions among meron and skyrmion crystals in a centrosymmetric magnet
H. Yoshimochi, R. Takagi, J. Ju +10
Topological swirling spin textures, such as skyrmions and merons, have recently attracted much attention as a unique building block for high-density magnetic information devices. T…
Hybrid skyrmion and anti-skyrmion phases in polar systems
Satoru Hayami
We investigate the stability of the skyrmion crystal phase in a tetragonal polar system with the Dzyaloshinskii-Moriya interaction by focusing on the symmetry of ordering wave vect…
Field-induced transformation between triangular and square skyrmion crystals in a tetragonal polar magnet
Satoru Hayami
Magnetic skyrmions with topologically nontrivial spin textures form a variety of periodic structures depending on microscopic interactions and lattice symmetry. We theoretically in…
Classification of multiorbital superconducting state based on augmented multipoles
Akimitsu Kirikoshi, Satoru Hayami
The pairing interactions between electrons play an essential role in determining the properties in superconducting states. Recently, a plethora of unconventional superconducting st…
Multipole expansion for magnetic structures: A generation scheme for symmetry-adapted orthonormal basis set in crystallographic point group
M. -T. Suzuki, T. Nomoto, R. Arita +3
We propose a systematic method to generate a complete orthonormal basis set of multipole expansion for magnetic structures in arbitrary crystal structure. The key idea is the intro…