Correlation-Driven Ultrafast Exciton Diffusion in Hubbard-Regime Moiré SuperlatticesRemoveHuan Liu, Haowen Xu, Shihong Chen, Rui Han, Zejun Sun, Mingxin Xu, Shuchun Huang, Xiushuo Zhang, Li Huang, Jianbin Luo, and Dameng LiuPhys. Rev. Lett. 136, 206302 (2026)