Effective nonlinear Ehrenfest hybrid quantum-classical dynamics José Luis Alonso, Carlos Bouthelier-Madre, Jesús Clemente-Gallardo, David Martínez-Crespo and Javier Pomar Eur. Phys. J. Plus, 138 7 (2023) 649 Published online: 25 July 2023 DOI: 10.1140/epjp/s13360-023-04266-w