XMCQDPT2-fidelity transfer-learning potentials and a wavepacket oscillation model for ultrafast photodynamics. - Dudakov, Ivan V.; Radzikovitsky, Pavel M.; Popov, Dmitry S.; Firsov, Denis A.; Korolev, Vadim V.; Chistikov, Daniil N.; Bochenkov, Vladimir E.; Bochenkova, Anastasia V. (Journal of Chemical Physics, 2026)