Robert Bücker, Tarik Berrada, Sandrine van Frank, Jean-François Schaff, Thorsten Schumm, Jörg Schmiedmayer, Georg Jäger, Julian Grond, Ulrich Hohenester
We present theoretical and experimental results on high-fidelity transfer of a trapped Bose-Einstein condensate into its first vibrationally excited eigenstate. The excitation is driven by mechanical motion of the trap, along a trajectory obtained from optimal control theory. Excellent agreement between theory and experiment is found over a large range of parameters. We develop an approximate model to map the dynamics of the many-body condensate wave function to a driven two-level system.
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http://arxiv.org/abs/1212.4173
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