Mesoscale phase separation of skyrmion-vortex matter in chiral magnet-superconductor heterostructures
arXiv:2104.09619 · doi:10.1103/PhysRevLett.128.057001
Abstract
We investigate theoretically the equilibrium configurations of many magnetic skyrmions interacting with many superconducting vortices in a superconductor-chiral magnet bilayer. We show that miscible mixtures of vortices and skyrmions in this system breaks down at a particular wave number for sufficiently strong coupling, giving place to remarkably diverse mesoscale patterns: gel, stripes, clusters, intercalated stripes and composite gel-cluster structures. We also demonstrate that, by appropriate choice of parameters, one can thermally tune between the homogeneous and density-modulated phases.
Main text (revised): 6 pages, 4 figures; Supplemental material (expanded): 9 pages, 8 figures
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- Anatomy of Spin and Current Generation from Magnetization Gradients in Topological Insulators and Rashba Metals
- Emergent Self-propulsion of Skyrmionic Matter in Synthetic Antiferromagnets
- Magnetically-controlled Vortex Dynamics in a Ferromagnetic Superconductor
- Pattern Formation and Flocking for Particles Near the Jamming Transition on Resource Gradient Substrates