FastNet: Improving the physical consistency of machine-learning weather prediction models through loss function design. - Tom Dunstan; Oliver Strickson; Thusal Bennett; Jack Bowyer; Matthew Burnand; James Chappell; Alejandro Coca-Castro; Kirstine Ida Dale; Eric G. Daub; Noushin Eftekhari; Manvendra Janmaijaya; Jon Lillis; et al. (CoRR, 2025)