Stückelberg-interferometry with ultra-cold atoms
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- Plötz, P. & Wimberger, S. Eur. Phys. J. D (2011) 65: 199. doi:10.1140/epjd/e2011-10711-6
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Stückelberg oscillations have been observed in recent experiments with ultra-cold atoms. We show that and how precisely ultra-cold atoms in an accelerated two-band lattice are a controlled realization of Landau-Zener-Stückelberg interferometry. We derive simple formulae for the time-dependent and time-averaged occupation of the energy bands and compute interference patterns for parameters directly accessible in experiments with ultra-cold atoms.