paper

Observation of Stückelberg oscillations in accelerated optical lattices

arXiv:1010.2413 · doi:10.1103/PhysRevA.82.065601

Abstract

We report the experimental observation of Stückelberg oscillations of matter waves in optical lattices. Extending previous work on Landau-Zener tunneling of Bose-Einstein condensates in optical lattices, we study the effects of the accumulated phase between two successive crossings of the Brillouin zone edge. Our results agree well with a simple model for multiple Landau-Zener tunneling events taking into account the band structure of the optical lattice.

4 pages, 4 figures

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