Stabilization and control of Majorana bound states with elongated skyrmions
arXiv:1710.04159 · doi:10.1103/PhysRevB.97.115136
Abstract
We show that elongated magnetic skyrmions can host Majorana bound states in a proximity-coupled two-dimensional electron gas sandwiched between a chiral magnet and an -wave superconductor. Our proposal requires stable skyrmions with unit topological charge, which can be realized in a wide range of multilayer magnets, and allows quantum information transfer by using standard methods in spintronics via skyrmion motion. We also show how braiding operations can be realized in our proposal.
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- Generation of a superconducting vortex via Néel skyrmions
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- Repulsion of a Néel-type skyrmion from a Pearl vortex in thin ferromagnet-superconductor heterostructures
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- Observation of in-gap states in a two-dimensional CrI2/NbSe2 heterostructure
- Mechanisms for Magnetic Skyrmion Catalysis and Topological Superconductivity
- Anatomy of Spin and Current Generation from Magnetization Gradients in Topological Insulators and Rashba Metals
- Deformation of a Néel-type Skyrmion in a Weak Inhomogeneous Magnetic Field: Magnetization Ansatz and Interaction with a Pearl Vortex
- Stealth Majorana Zero Mode in a Trilayer Heterostructure MnTe/Bi2Te3/Fe(Te,Se)
- Mixed topology ring states for Hall effect and orbital magnetism in skyrmions of Weyl semimetals
- Magnetic field-free braiding and nontrivial fusion of Majorana bound states in high-temperature planar Josephson junctions
- Skyrmion-vortex hybrid and spin wave solutions in superconducting ferromagnets
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- Majorana bound states with chiral magnetic textures