Observation of zone folding induced acoustic topological insulators and the role of spin-mixing defects
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DOI: 10.1103/physrevb.96.184305
Abstract: This letter investigates a flow-free, pseudospin-based acoustic topological insulator. Zone folding, a strategy originated from photonic crystal, is used to form double Dirac cones in phononic crystal. The lattice symmetry of the phononic crystal is… read more here.
Keywords: observation zone; topological insulators; induced acoustic; acoustic topological ... See more keywords