Tidal forces in Reissner–Nordström spacetimes Luís C. B. Crispino, Atsushi Higuchi, Leandro A. Oliveira and Ednilton S. de Oliveira Eur. Phys. J. C, 76 3 (2016) 168 Published online: 26 March 2016 DOI: 10.1140/epjc/s10052-016-3972-5