2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/100577We present detailed numerical results on the dynamics of a Bose-Einstein condensate in a tilted periodic optical lattice over many Bloch periods. We show that an increasing atom-atom interaction systematically affects coherent tunneling, and eventually destroys the resonant tunneling peaks.to be published in Phys. Rev. A; amended version, 4 p., 4 figsOther Condensed MatterChaotic DynamicsNonlinearity induced destruction of resonant tunneling in the Wannier-Stark problemtext