Nonlinearity induced destruction of resonant tunneling in the Wannier-Stark problem

Details Nonlinearity induced destruction of resonant tunneling in the Wannier-Stark problem Nonlinearity induced destruction of resonant tunneling in the Wannier-Stark problem

2005-06-15

arxiv.org/abs/cond-mat/0506357v2

Phys. Rev. A 72, 063610 (2005)

Physics

Condensed Matter

Other Condensed Matter

to be published in Phys. Rev. A; amended version, 4 p., 4 figs

Scientific paper

10.1103/PhysRevA.72.063610

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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