Autor: |
Marc Dubois, Chengzhi Shi, Xuefeng Zhu, Yuan Wang, Xiang Zhang |
Jazyk: |
angličtina |
Rok vydání: |
2017 |
Předmět: |
|
Zdroj: |
Nature Communications, Vol 8, Iss 1, Pp 1-6 (2017) |
Druh dokumentu: |
article |
ISSN: |
2041-1723 |
DOI: |
10.1038/ncomms14871 |
Popis: |
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. |
Databáze: |
Directory of Open Access Journals |
Externí odkaz: |
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