Observation of Double Weyl Phonons in Parity-Breaking FeSi

27 Apr 2018 Miao H. Zhang T. T. Wang L. Meyers D. Said A. H. Wang Y. L. Shi Y. G. Weng H. M. Fang Z. Dean M. P. M.

Condensed matter systems have now become a fertile ground to discover emerging topological quasi-particles with symmetry protected modes. While many studies have focused on Fermionic excitations, the same conceptual framework can also be applied to bosons yielding new types of topological states... (read more)

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