Resonant excitations of a Bose Einstein condensate in an optical lattice Citlali Cabrera-Gutiérrez, Eric Michon, Maxime Arnal, Gabriel Chatelain, Vincent Brunaud, Tomasz Kawalec, Juliette Billy and David Guéry-Odelin Eur. Phys. J. D, 73 8 (2019) 170 Published online: 16 August 2019 DOI: 10.1140/epjd/e2019-90672-4