375 citations · 2.5k across the 61 of their papers we have counts for
29 papers · 1 filter
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…
Metrics for spin-based computing
Hidekazu Kurebayashi, Giovanni Finocchio, Karin Everschor-Sitte +10
Spin-based computing is emerging as a powerful approach for energy-efficient and high-performance solutions to future data processing hardware. Spintronic devices function by elect…
3D Magnetic Textures with Mixed Topology: Unlocking the Tunable Hopf Index
Maria Azhar, Sandra C. Shaju, Ross Knapman +2
Knots and links play a crucial role in understanding topology and discreteness in nature. In magnetic systems, twisted, knotted and braided vortex tubes manifest as Skyrmions, Hopf…
Numerical Calculation of the Hopf Index for 3D Magnetic Textures
Ross Knapman, Maria Azhar, Alessandro Pignedoli +4
To gain deeper insight into the complex, stable, and robust configurations of magnetic textures, topological characterisation has proven essential. In particular, while the skyrmio…
Spacetime magnetic hopfions: from internal excitations and braiding of skyrmions
R. Knapman, T. Tausendpfund, S. A. Díaz +1
Spatial topology endows topological solitons, such as skyrmions and hopfions, with fascinating dynamics. However, the temporal dimension has so far provided a passive stage on whic…
Neuromorphic Overparameterisation and Few-Shot Learning in Multilayer Physical Neural Networks
Kilian D. Stenning, Jack C. Gartside, Luca Manneschi +10
Physical neuromorphic computing, exploiting the complex dynamics of physical systems, has seen rapid advancements in sophistication and performance. Physical reservoir computing, a…
Voltage-Controlled High-Bandwidth Terahertz Oscillators Based On Antiferromagnets
Mike A. Lund, Davi R. Rodrigues, Karin Everschor-Sitte +1
Producing compact voltage-controlled frequency generators and sensors operating in the terahertz (THz) regime represents a major technological challenge. Here, we show that noncoll…
Audio Classification with Skyrmion Reservoirs
Robin Msiska, Jake Love, Jeroen Mulkers +2
Physical reservoir computing is a computational paradigm that enables spatio-temporal pattern recognition to be performed directly in matter. The use of physical matter leads the w…
Nonzero Skyrmion Hall Effect in Topologically Trivial Structures
Robin Msiska, Davi R. Rodrigues, Jonathan Leliaert +1
It is widely believed that the skyrmion Hall effect, often disruptive for device applications, vanishes for overall topologically trivial structures such as (synthetic) antiferroma…
Current-induced H-shaped-skyrmion creation and their dynamics in the helical phase
Ross Knapman, Davi R. Rodrigues, Jan Masell +1
Inevitable for the basic principles of skyrmion racetrack-like applications is not only their confined motion along one-dimensional channels but also their controlled creation and…
Spin-wave driven bidirectional domain wall motion in kagome antiferromagnets
Davi R. Rodrigues, Akshaykumar Salimath, Karin Everschor-Sitte +1
We predict a mechanism to controllably manipulate domain walls in kagome antiferromagnets via a single linearly polarized spin-wave source. We show by means of atomistic spin dynam…
Nonlinear dynamics of topological ferromagnetic textures for frequency multiplication
Davi R. Rodrigues, Jonas Nothhelfer, Morteza Mohseni +3
We propose that the non-linear radio-frequency dynamics and nanoscale size of topological magnetic structures associated to their well-defined internal modes advocate for their use…
Large Surface Magnetization in Noncentrosymmetric Antiferromagnets
Mike A. Lund, Karin Everschor-Sitte, Kjetil M. D. Hals
Thin-film antiferromagnets (AFs) with Rashba spin-orbit coupling are theoretically investigated. We demonstrate that the relativistic Dzyaloshinskii-Moriya interaction (DMI) produc…
Facilitating domain wall injection in magnetic nanowires by electrical means
Davi R. Rodrigues, Nils Sommer, Karin Everschor-Sitte
We investigate how to facilitate the injection of domain walls in chiral ferromagnetic nanowires by electrical means. We calculate the critical current density above which domain w…
Current-Induced Dynamics of Chiral Magnetic Structures: Creation, Motion, and Applications
Jan Masell, Karin Everschor-Sitte
Magnetic textures can be manipulated by electric currents via the mechanisms of spin-transfer and spin-orbit-torques. We review how these torques can be exploited to create chiral…
Spin-transfer torque-driven motion, deformation, and instabilities of magnetic skyrmions at high currents
Jan Masell, Davi R. Rodrigues, Ben F. McKeever +1
In chiral magnets, localized topological magnetic whirls, magnetic skyrmions, can be moved by spin polarized electric currents. Upon increasing the current strength, with prospects…
Stability and dynamics of in-plane skyrmions in collinear ferromagnets
Ricardo Zarzuela, Venkata Krishna Bharadwaj, Kyoung-Whan Kim +2
We study the emergence and dynamics of in-plane skyrmions in collinear ferromagnetic heterostructures. We present a minimal energy model for this class of magnetic textures, determ…
Topological characterization of classical waves: the topological origin of magnetostatic surface spin waves
Kei Yamamoto, Guo Chuan Thiang, Philipp Pirro +3
We propose a topological characterization of Hamiltonians describing classical waves. Applying it to the magnetostatic surface spin waves that are important in spintronics applicat…
Twists in Ferromagnetic Monolayers With Trigonal Prismatic Symmetry
Kjetil M. D. Hals, Karin Everschor-Sitte
Two-dimensional materials such as graphene or hexagonal boron nitride are indispensable in industry. The recently discovered 2D ferromagnetic materials also promise to be vital for…
Reservoir Computing with Random Skyrmion Textures
Daniele Pinna, George Bourianoff, Karin Everschor-Sitte
The Reservoir Computing (RC) paradigm posits that sufficiently complex physical systems can be used to massively simplify pattern recognition tasks and nonlinear signal prediction.…
The effect of boundary-induced chirality on magnetic textures in thin films
Jeroen Mulkers, Kjetil M. D. Hals, Jonathan Leliaert +3
In the quest for miniaturizing magnetic devices, the effects of boundaries and surfaces become increasingly important. Here we show how the recently predicted boundary-induced Dzya…
Roles of chiral renormalization on magnetization dynamics in chiral magnets
Kyoung-Whan Kim, Hyun-Woo Lee, Kyung-Jin Lee +3
In metallic ferromagnets, the interaction between local magnetic moments and conduction electrons renormalizes parameters of the Landau-Lifshitz-Gilbert equation such as the gyroma…
Unidirectional Magnon-Driven Domain Wall Motion Due to the Interfacial Dzyaloshinskii-Moriya Interaction
Kyoung-Whan Kim, Seo-Won Lee, Jung-Hwan Moon +5
We demonstrate a unidirectional motion of a quasiparticle without an explicit symmetry breaking along the space-time coordinate of the particle motion. This counterintuitive behavi…
Asymmetric skyrmion Hall effect in systems with a hybrid Dzyaloshinskii-Moriya interaction
Kyoung-Whan Kim, Kyoung-Woong Moon, Nico Kerber +2
We examine the current-induced dynamics of a skyrmion that is subject to both structural and bulk inversion asymmetry. There arises a hybrid type of Dzyaloshinskii-Moriya interacti…