Nodal-Chain Semimetal States and Topological Focusing in Phononic Crystals
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DOI: 10.1103/physrevapplied.13.054080
Abstract: We report the realization of a semimetal state in a phononic crystal, which hosts nodal-chain degeneracy in momentum space. The nodal-chain dispersion consists of interconnecting degenerate lines, and is protected by the nonsymmorphic and time-reversal… read more here.
Keywords: chain; states topological; topological focusing; nodal chain ... See more keywords