RF-driven azimuthal spin waves in a 300 nm vortex nanopillar support multiple steady-state gyration radii, each producing a distinct Floquet frequency comb, so the device can be hysteretic.
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Excitation of vortex core gyration in nanopillars through driven Floquet magnons
RF-driven azimuthal spin waves in a 300 nm vortex nanopillar support multiple steady-state gyration radii, each producing a distinct Floquet frequency comb, so the device can be hysteretic.