Origin of the absence of a charge density wave in the kagome metal TiV6Sn6: A rattling chain model–predicted AM6X6-type charge density wave compoundRemoveXizhi Li, Nour Maraytta, Xipeng Wang, Xinyi Peng, Zeyu Li, Dechao Cheng, Nan Xiong, Shilin Zhou, Qiaochu Wan, Mingquan He, Yisheng Chai, Xiaoyuan Zhou, Michael Merz, Aifeng Wang, and Hengxin TanPhys. Rev. B 114, 245123 (2026)