A spin dynamics approach to solitonics

Abstract

It is spatial dispersion which is exclusively responsible for the emergence of exchange interaction and magnetic ordering. In contrast, magneto-crystalline anisotropy present in any realistic material brings in a certain non-linearity to the equation of motion. Unlike homogeneous ferromagnetic ordering a variety of non-collinear ground state configurations emerge as a result of competition among exchange, anisotropy, and dipole-dipole interaction. These particle-like states, e.g. magnetic soliton, skyrmion, domain wall, form a spatially localised clot of magnetic energy. In this paper we explore topologically protected magnetic solitons that might potentially be applied for logical operations and/or information storage in the rapidly advancing filed of solitonics (and skyrmionics). An ability to easily create, address, and manipulate such structures is among the prerequisite forming a basis of -onics technology, and is investigated in detail here using numerical and analytical tools.

References in corpus (7)

• Blowing Magnetic Skyrmion Bubbles
• Design of a spin-wave majority gate employing mode selection
• Magnon-Driven Domain-Wall Motion with the Dzyaloshinskii-Moriya Interaction
• Functional Keldysh Theory of Spin Torques
• Theory of spin current in chiral helimagnet
• Structural disorder versus chiral magnetism in Cr${}_{1/3}$NbS${}_2$
• Transport magnetic currents driven by moving kink crystal in chiral helimagnets

Cited by in corpus (10)

• Tricritical point and phase diagram based on critical scaling in monoaxial chiral helimagnet Cr1/3NbS2
• Light-induced anisotropic skyrmion and stripe phases in a Rashba ferromagnet
• Metastable solitonic states in the strained itinerant helimagnet FeGe
• Numerical hardware-efficient variational quantum simulation of a soliton solution
• Antichiral Ferromagnetism
• Domain walls in a non-linear ${\mathbb{S}}^2$-sigma model with homogeneous quartic polynomial potential
• Kinks in massive non-linear ${\mathbb{S}}^1\times {\mathbb{S}}^1$-Sigma models
• Skyrmion-driven topological Hall effect in a Shastry-Sutherland magnet
• Spin-hedgehog-derived electromagnetic effects in itinerant magnets
• Magnetic field-induced chiral soliton lattice in the bulk magnetoelectric helimagnet Cu${}_2$OSeO${}_3$