Observation of acoustic Dirac-like cone and double zero refractive index
Impedance mismatch between acoustic metamaterials and a surrounding medium hinders efficient applications, especially for zero-index materials. Here, Duboiset al. utilize the Dirac-like dispersion in a double-zero-index material to overcome this problem and to collimate sound.
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Auteurs principaux: | , , , , |
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Format: | article |
Langue: | EN |
Publié: |
Nature Portfolio
2017
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Sujets: | |
Accès en ligne: | https://doaj.org/article/26e8043ca24343f38ffb77bb7ac803d6 |
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