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Probing Dirac magnons in a honeycomb ferromagnet
Studying bosonic analogues of fermions in topological electron systems is one of the hottest areas. They are featured by linear band crossing points at finite energy in the... -
Weyl Points in the Magnetic Excitations of Er2Ti2O7
In the condensed matter community the last ten years have seen a revolution in our understanding of how topology influences the properties of solids. A famous example from the...