Decay of a Bose-Einstein condensate in a dissipative lattice – the mean-field approximation and beyond F. Trimborn, D. Witthaut, H. Hennig, G. Kordas, T. Geisel and S. Wimberger Eur. Phys. J. D, 63 1 (2011) 63-71 Published online: 17 June 2011 DOI: 10.1140/epjd/e2011-10702-7