Multiple scattering theory of non-Hermitian sonic second-order topological insulators
作者： María Rosendo López , Zhiwang Zhang , Daniel Torrent , Johan Christensen
DOI: 10.1038/S42005-019-0233-6
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摘要: … non-Hermitian CSCs by introducing acoustic gain and loss into the metamolcules by employing active acoustic … The first non-Hermitian arrangement of the CSC introduces symmetrical …
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