Topological Superconductivity Mediated by Skyrmionic Magnons
arXiv:2211.05129 · doi:10.1103/PhysRevLett.130.156002
Abstract
Topological superconductors are associated with the appearance of Majorana bound states, with promising applications in topologically protected quantum computing. In this Letter, we study a system where a skyrmion crystal is interfaced with a normal metal. Through interfacial exchange coupling, spin fluctuations in the skyrmion crystal mediate an effective electron-electron interaction in the normal metal. We study superconductivity within a weak-coupling approach and solve gap equations both close to the critical temperature and at zero temperature. Special features in the effective electron-electron interaction due to the noncolinearity of the magnetic ground state yield topological superconductivity at the interface.
6 pages, 4 figures, Supplemental material: 17 pages, 8 figures, accepted in Physical Review Letters
References in corpus (11)
- Non-Abelian Anyons and Topological Quantum Computation
- Quantum Computing
- Skyrmion-(Anti)Vortex Coupling in a Chiral Magnet-Superconductor Heterostructure
- Skyrmion Control of Majorana States in Planar Josephson Junctions
- Eliashberg study of superconductivity induced by interfacial coupling to antiferromagnets
- Majorana Bound States Induced by Antiferromagnetic Skyrmion Textures
- Magnon-mediated superconductivity on the surface of a topological insulator
- Aspects of topological superconductivity in 2D systems: noncollinear magnetism, skyrmions, and higher-order topology
- Electron-magnon coupling and quasiparticle lifetimes on the surface of a topological insulator
- Quantum fluctuations in the order parameter of quantum skyrmion crystals
- Quantum topological phase transitions in skyrmion crystals
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