Hydrodynamics of three-dimensional skyrmions in frustrated magnets

Abstract

We study the nucleation and collective dynamics of Shankar skyrmions [R. Shankar, Journal de Physique 38, 1405 (1977)] in the class of frustrated magnetic systems described by an SO(3) order parameter, including multi-lattice antiferromagnets and amorphous magnets. We infer the expression for the spin-transfer torque that injects skyrmion charge into the system and the Onsager-reciprocal pumping force that enables its detection by electrical means. The thermally-assisted flow of topological charge gives rise to an algebraically decaying drag signal in nonlocal transport measurements. We contrast our findings to analogous effects mediated by spin supercurrents.

arXiv comment5+3 pages

References in corpus (30)

• Advances in the Physics of Magnetic Skyrmions and Perspective for Technology
• Spin Ice State in Frustrated Magnetic Pyrochlore Materials
• Magnetic Monopoles in Spin Ice
• Low energy hadron physics in holographic QCD
• Fractionalized excitations in the spin liquid state of a kagomé lattice antiferromagnet
• Spin Liquid State in an Organic Mott Insulator with Triangular Lattice
• Majorana quantization and half-integer thermal quantum Hall effect in a Kitaev spin liquid
• Long distance transport of magnon spin information in a magnetic insulator at room temperature
• Magnetic skyrmion logic gates: conversion, duplication and merging of skyrmions
• A reversible conversion between a skyrmion and a domain-wall pair in junction geometry
• Magnon spin transport driven by the magnon chemical potential in a magnetic insulator
• The thermal Hall effect of spin excitations in a Kagome magnet
• Phenomenology of Current-Induced Dynamics in Antiferromagnets
• Thermal Hall conductivity in the frustrated pyrochlore magnet Tb2Ti2O7
• Superfluid Spin Transport through Easy-Plane Ferromagnetic Insulators
• Three-dimensional skyrmion states in thin films of cubic helimagnets
• Universal Magnetic Properties of Frustrated Quantum Antiferromagnets in Two Dimensions
• Quantization of the thermal Hall conductivity at small Hall angles
• Dissipationless Spin Transport in Thin Film Ferromagnets
• New spiral state and skyrmion lattice in 3D model of chiral magnets
• Long-distance spin transport in a disordered magnetic insulator
• Emergence of nontrivial magnetic excitations in a spin liquid state of kagome volborthite
• Large Thermal Hall Effect in $\alpha$-RuCl${}_3$: Evidence for Heat Transport by Kitaev-Heisenberg Paramagnons
• Skyrmions and Semilocal Strings in Cosmology
• Spin hydrodynamics in amorphous magnets
• Electric transport in three-dimensional Skyrmion/monopole crystal
• Topological spin transport by Brownian diffusion of domain walls
• Energy Storage via Topological Spin Textures
• Topological spin-transfer drag driven by skyrmion diffusion
• The decay of Hopf solitons in the Skyrme model

Cited by in corpus (8)

• Static and dynamic properties of bimerons in a frustrated ferromagnetic monolayer
• Current-driven skyrmionium in a frustrated magnetic system
• Topological transport of deconfined hedgehogs in magnets
• Magnonic Hall Effect and Magnonic Holography of Hopfions
• A Frustrated Bimeronium: Static Structure and Dynamics
• Dynamic transformation between a skyrmion string and a bimeron string in a layered frustrated system
• Energy storage in magnetic textures driven by vorticity flow
• Photonic Shankar skyrmion