Effective two-mode model in Bose-Einstein condensates versus Gross-Pitaevskii simulations Mauro Nigro, Pablo Capuzzi, Horacio M. Cataldo and Dora M. Jezek Eur. Phys. J. D, 71 11 (2017) 297 Published online: 21 November 2017 DOI: 10.1140/epjd/e2017-80382-4