Topological changes of two-dimensional magnetic textures

Abstract

We investigate the interaction of magnetic vortices and skyrmions with a spin-polarized current. In a square lattice, fixed classical spins and quantum itinerant electrons, evolve according to the coupled Landau-Lifshitz and Schrödinger equations. Changes in the topology occur at microscopic time and length scales, and are shown to be triggered by the nucleation of a nontrivial electron-spin structure at the vortex core.

See supplementary material (high resolution figures and movies) https://drive.google.com/folderview?id=0By4j_RJ9SKLpQ2R5UklXLURvbEE&usp=sharing --- v2: Extended version

References in corpus (9)

• "Deconfined" quantum critical points
• Microscopic approach to current-driven domain wall dynamics
• Magnetic Vortex Core Reversal by Excitation of Spin Waves
• Skyrmion Generation by Current
• Current-induced magnetic vortex core switching in a Permalloy nanodisk
• Vortex core switching by coherent excitation with single in-plane magnetic field pulses
• Switching magnetic vortex core by a single nanosecond current pulse
• Ultrafast magnetic vortex core switching driven by topological inverse Faraday effect
• Switching phenomena in magnetic vortex dynamics

Cited by in corpus (8)

• Thermal stability and topological protection of skyrmions in nanotracks
• Spin waves scattering on a Bloch point
• Skyrmion collapse
• Manipulating the shape of flexible magnetoelastic nanodiscs with meron-like magnetic states
• Skyrmion spin transfer torque due to current confined in a nanowire
• Motion-induced inertial effects and topological phase transitions in skyrmion transport
• Torque field and skyrmion movement by spin transfer torque in a quasi-2d interface in presence of strong spin-orbit interaction
• Topological textures and their bifurcation processes in 2D ferromagnetic thin films