Odd Willis coupling induced by broken time-reversal symmetry

Exploiting Willis coupling in acoustic metamaterials with designed geometrical asymmetries opens up new opportunities related to sound control and manipulation. Here, the authors report a dual form of Willis coupling in geometrically symmetric acoustic scatterers.

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Detalles Bibliográficos
Autores principales: Li Quan, Simon Yves, Yugui Peng, Hussein Esfahlani, Andrea Alù
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2021
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Acceso en línea:https://doaj.org/article/dab404b0896b4ae2a41f1ac654907ea3
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Sumario:Exploiting Willis coupling in acoustic metamaterials with designed geometrical asymmetries opens up new opportunities related to sound control and manipulation. Here, the authors report a dual form of Willis coupling in geometrically symmetric acoustic scatterers.