Strong Proton‐Phonon Coupling Drives Fast Ion Transport in Perovskites. - Rulev, Alexey; Nagasawa, Nobumoto; Wang, Hongxin; Pomjakushin, Vladimir; Kunz, Martin; Yoda, Yoshitaka; Cramer, Stephen P.; Chen, Qianli; Braun, Artur (Advanced Science, 2026)