Nature Communications (Sep 2020)

Realization of acoustic spin transport in metasurface waveguides

  • Yang Long,
  • Danmei Zhang,
  • Chenwen Yang,
  • Jianmin Ge,
  • Hong Chen,
  • Jie Ren

DOI
https://doi.org/10.1038/s41467-020-18599-y
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 7

Abstract

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Spin angular momenta play a crucial role in topological phases of matter, in acoustic waves they have been demonstrated recently. Here, the authors present a symmetry-breaking metasurface waveguide that assists backscattering suppression of acoustic waves, because of tight spin-momentum coupling.