Gradient-Index Granular Crystals: From Boomerang Motion to Asymmetric Transmission of Waves.
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DOI: 10.1103/physrevlett.123.214301
Abstract: We present a gradient-index crystal that offers extreme tunability in terms of manipulating the propagation of elastic waves. For small-amplitude excitations, we achieve control over wave transmission depth into the crystal. We numerically and experimentally… read more here.
Keywords: gradient index; granular crystals; index granular; transmission ... See more keywords