Soft Phonon Charge-Density-Wave Formation in the Kagome Metal KV3Sb5RemoveYifan Wang, Chenchao Xu, Zhimian Wu, Huachen Rao, Zhaoyang Shan, Yi Liu, Guanghan Cao, Michael Smidman, Ming Shi, Huiqiu Yuan, Tao Wu, Xianhui Chen, Chao Cao, and Yu SongPhys. Rev. Lett. 136, 136401 (2026)
