Nonlinearity induced destruction of resonant tunneling in the Wannier-Stark problem
Wimberger, Sandro · Mannella, Riccardo · Morsch, Oliver · Arimondo, Ennio · Kolovsky, Andrey · Buchleitner, Andreas
Original · EN
We 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.
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