Lifetime and dynamics of polaron and bipolaron in graphene nanoribbon under laser M. F. C. Fobasso, C. Kenfack-Sadem, E. Baloitcha, A. J. Fotué and L. C. Fai Eur. Phys. J. Plus, 135 6 (2020) 471 Published online: 05 June 2020 DOI: 10.1140/epjp/s13360-020-00500-x