New optical method to verify topological phases in magnetic materials

https://phys.org/news/2023-01-optical-method-topological-phases-magnetic.html

"topological magnon currents potentially reduce energy consumption future devices 1,000X... properties of the scattered light are indicators of topological phases in these magnetic materials... topological magnon phase channels carry current of magnons along edges of sample... easy to deploy and can be extended to other quasiparticles as well as to other types of systems consisting of phonons, excitons or photons... hopeful can be utilized to carry information in future spintronics devices"

Related: Unlocking the magnetic superpowers of topological magnons

https://phys.org/news/2024-01-magnetic-superpowers-topological-magnons.html