Non-Local Transport Mediated by Spin-Supercurrents
arXiv:1408.1100 · doi:10.1103/PhysRevB.90.220401
Abstract
In thin film ferromagnets with perfect easy-plane anisotropy, the component of total spin perpendicular to the easy plane is a good quantum number and the corresponding spin supercurrent can flow without dissipation. In this Letter we explain how spin supercurrents couple spatially remote spin-mixing vertical transport channels, even when easy-plane anisotropy is imperfect, and discuss the possibility that this effect can be used to fabricate new types of electronic devices.
5 pages, 5 figures