Emergent Dynamical Kondo Coherence and Competing Magnetic Order in a Correlated Kagome Flat-Band Metal CsCr6Sb6RemoveXiangqi Liu, Xuefeng Zhang, Jiachen Jiao, Renjie Zhang, Kaiwen Chen, Ying Wang, Yunguan Ye, Zhenhai Yu, Chengyu Jiang, Xia Wang, Bei Jiang, Yaobo Huang, Lei Shu, Baiqing Lv, Gang Li, and Yanfeng GuoPhys. Rev. Lett. 136, 256601 (2026)