Observation of acoustic Dirac-like cone and double zero refractive index

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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Autores principales: Marc Dubois, Chengzhi Shi, Xuefeng Zhu, Yuan Wang, Xiang Zhang
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2017
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Acceso en línea:https://doaj.org/article/26e8043ca24343f38ffb77bb7ac803d6
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spelling oai:doaj.org-article:26e8043ca24343f38ffb77bb7ac803d62021-12-02T14:40:59ZObservation of acoustic Dirac-like cone and double zero refractive index10.1038/ncomms148712041-1723https://doaj.org/article/26e8043ca24343f38ffb77bb7ac803d62017-03-01T00:00:00Zhttps://doi.org/10.1038/ncomms14871https://doaj.org/toc/2041-1723Impedance 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.Marc DuboisChengzhi ShiXuefeng ZhuYuan WangXiang ZhangNature PortfolioarticleScienceQENNature Communications, Vol 8, Iss 1, Pp 1-6 (2017)
institution DOAJ
collection DOAJ
language EN
topic Science
Q
spellingShingle Science
Q
Marc Dubois
Chengzhi Shi
Xuefeng Zhu
Yuan Wang
Xiang Zhang
Observation of acoustic Dirac-like cone and double zero refractive index
description 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.
format article
author Marc Dubois
Chengzhi Shi
Xuefeng Zhu
Yuan Wang
Xiang Zhang
author_facet Marc Dubois
Chengzhi Shi
Xuefeng Zhu
Yuan Wang
Xiang Zhang
author_sort Marc Dubois
title Observation of acoustic Dirac-like cone and double zero refractive index
title_short Observation of acoustic Dirac-like cone and double zero refractive index
title_full Observation of acoustic Dirac-like cone and double zero refractive index
title_fullStr Observation of acoustic Dirac-like cone and double zero refractive index
title_full_unstemmed Observation of acoustic Dirac-like cone and double zero refractive index
title_sort observation of acoustic dirac-like cone and double zero refractive index
publisher Nature Portfolio
publishDate 2017
url https://doaj.org/article/26e8043ca24343f38ffb77bb7ac803d6
work_keys_str_mv AT marcdubois observationofacousticdiraclikeconeanddoublezerorefractiveindex
AT chengzhishi observationofacousticdiraclikeconeanddoublezerorefractiveindex
AT xuefengzhu observationofacousticdiraclikeconeanddoublezerorefractiveindex
AT yuanwang observationofacousticdiraclikeconeanddoublezerorefractiveindex
AT xiangzhang observationofacousticdiraclikeconeanddoublezerorefractiveindex
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