Enhanced Diffusion Sampling: Efficient Rare Event Sampling and Free Energy Calculation with Diffusion Models. - Yu Xie; Ludwig Winkler; Lixin Sun; Sarah Lewis; Adam Evan Foster; José Jiménez-Luna; Tim Hempel; Michael Gastegger; Yaoyi Chen; Iryna Zaporozhets; Cecilia Clementi; Christopher M. Bishop; et al. (CoRR, 2026)