Supercurrent-driven spin accumulation in a superconductor/magnetic insulator bilayer moves domain walls via Gilbert damping, yielding a local voltage signal and requiring orders of magnitude less power than normal-state currents.
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Controlling magnetic domain walls with supercurrents
Supercurrent-driven spin accumulation in a superconductor/magnetic insulator bilayer moves domain walls via Gilbert damping, yielding a local voltage signal and requiring orders of magnitude less power than normal-state currents.