Nature CommunicationsAcoustic topological Jackiw–Rebbi states at symmetry broken interfacesYi-Fei XiaAn ChenTing ZhangJing YangBin LiangJohan ChristensenJian-chun Cheng2026-09-08Full textDOI https://doi.org/10.1038/s41467-026-77579-w