Nature Communications (Nov 2020)

Steering magnonic dynamics and permeability at exceptional points in a parity–time symmetric waveguide

  • Xi-guang Wang,
  • Guang-hua Guo,
  • Jamal Berakdar

DOI
https://doi.org/10.1038/s41467-020-19431-3
Journal volume & issue
Vol. 11, no. 1
pp. 1 – 8

Abstract

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The ability to guide and control magnons is central to their potential in future information processing. Here, using a combination of computations and analytical approaches, the authors propose a magnonic waveguide with a unique gain and loss mechanism.