Anomalous Terahertz Nonlinearity in Disordered s-Wave Superconductor Close to the Superconductor-Insulator TransitionRemoveHao Wang, Jiayu Yuan, Hongkai Shi, Haojie Li, Xiaoqing Jia, Xiaohui Song, Liyu Shi, Tianyi Wu, Li Yue, Yangmu Li, Kui Jin, Dong Wu, Jianlin Luo, Xinbo Wang, Tao Dong, and Nan-Lin WangPhys. Rev. Lett. 136, 146004 (2026)