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.

Bibliographic Details
Main Authors: Li Quan, Simon Yves, Yugui Peng, Hussein Esfahlani, Andrea Alù
Format: Article
Language:English
Published: Nature Publishing Group 2021-05-01
Series:Nature Communications
Online Access:https://doi.org/10.1038/s41467-021-22745-5