Special issue: Dynamics of systems on the nanoscale (2018). EditorialIlko Bald, Ilia A. Solov’yov, Nigel Mason and Andrey V. Solov’yovEur. Phys. J. D, 74 4 (2020) 75DOI: https://doi.org/10.1140/epjd/e2020-10134-4