APR: Twisted plasmonic spin skyrmion

We present the first ultrafast microscopy imaging study of a plasmonic spin skyrmion generated by the spin–orbit interaction of light. We reveal by experiment and theory the nanofemto plasmonic vortex fields and their topological skyrmion spin textures that can dress topologically trivial materials, drive magnetoelectric phenomena, and probe axion physics.

https://doi.org/10.1063/5.0084482

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