Universal quantum computation based on nanoscale skyrmion helicity qubits in frustrated magnets

J Xia, X Zhang, X Liu, Y Zhou, M Ezawa - Physical Review Letters, 2023 - APS
We propose a skyrmion-based universal quantum computer. Skyrmions have the helicity
degree of freedom in frustrated magnets, where twofold degenerated Bloch-type skyrmions …

Fundamental theory of current-induced motion of magnetic skyrmions

Y Ohki, M Mochizuki - Journal of Physics: Condensed Matter, 2024 - iopscience.iop.org
Magnetic skyrmions are topological spin textures that appear in magnets with broken spatial
inversion symmetry as a consequence of competition between the (anti) ferromagnetic …

Chiral skyrmions interacting with chiral flowers

X Zhang, J Xia, OA Tretiakov, M Ezawa, G Zhao… - Nano Letters, 2023 - ACS Publications
The chiral nature of active matter plays an important role in the dynamics of active matter
interacting with chiral structures. Skyrmions are chiral objects, and their interactions with …

Particle-like skyrmions interacting with a funnel obstacle

X Zhang, J Xia, X Liu - Physical Review B, 2022 - APS
The skyrmion-substrate interaction is an important issue to consider when studying particle-
like skyrmions in nanostructures, which may strongly affect the skyrmion dynamics and lead …

Spin-wave-driven skyrmion dynamics in ferrimagnets: Effect of net angular momentum

Y Liu, TT Liu, Z Jin, ZP Hou, DY Chen, Z Fan, M Zeng… - Physical Review B, 2022 - APS
Searching for low-power-consuming and highly efficient methods for well-controllable
driving of skyrmion motion is one of the most concerning issues for future spintronic …

Laminar and transiently disordered dynamics of magnetic-skyrmion pipe flow

X Zhang, J Xia, OA Tretiakov, M Ezawa, G Zhao… - Physical Review B, 2023 - APS
The world is full of fluids that flow. The fluid nature of flowing skyrmionic quasiparticles is of
fundamental physical interest and plays an essential role in the transport of many skyrmions …

[HTML][HTML] Coherent stimulated amplification of the skyrmion breathing

B Wang, XH Lu, X Jia, H Xiong - Chaos, Solitons & Fractals, 2023 - Elsevier
Magnetic skyrmions are topological solitons and have great potential applications in next-
generation spintronic devices for information storage and processing technologies. Here, we …

Commensuration effects on skyrmion Hall angle and drag for manipulation of skyrmions on two-dimensional periodic substrates

C Reichhardt, CJO Reichhardt - Physical Review B, 2022 - APS
We examine the dynamics of an individually driven skyrmion moving through a background
lattice of skyrmions coupled to a 2D periodic substrate as we vary the ratio of the number of …

[HTML][HTML] Transformation of a cellular skyrmion to polyomino-like structures

J Xia, X Zhang, Y Zhou, X Liu, G Zhao… - Applied Physics …, 2024 - pubs.aip.org
Topological spin structures with transformable shapes may have potential implications for
data storage and computation. Here, we demonstrate that a square cellular skyrmion on an …

Elongated skyrmion as spin torque nano-oscillator and magnonic waveguide

X Liang, L Shen, X Xing, Y Zhou - Communications Physics, 2022 - nature.com
Spin torque nano-oscillator has been extensively studied both theoretically and
experimentally in recent decades due to its potential applications in future microwave …