Nature CommunicationsGeneralized causality constraint based on duality symmetry reveals untapped potential of sound absorptionSichao QuMin YangSibo HuangShuohan LiuErqian DongHelios Y. LiPing ShengI. David AbrahamsNicholas X. Fang2025-11-28Full textDOI https://doi.org/10.1038/s41467-025-65786-w