Strong coupling between coherent ferrons and cavity acoustic phononsRemoveYujie Zhu, Jiaxuan Wu, Anna N. Morozovska, Eugene A. Eliseev, Yulian M. Vysochanskii, Venkatraman Gopalan, Long-Qing Chen, Xufeng Zhang, Wei Zhang, and Jia-Mian HuPhys. Rev. Applied 26, 014057 (2026)