Physics – Condensed Matter – Quantum Gases
Scientific paper
2010-10-12
Physics
Condensed Matter
Quantum Gases
4 pages, 4 figures
Scientific paper
We report the experimental observation of St\"{u}ckelberg 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.
Arimondo Ennio
Ciampini Donatella
Morsch Oliver
Zenesini Alessandro
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