Exploring the phase space of the quantum delta kicked accelerator
arXiv:physics/0609203 · doi:10.1103/PhysRevLett.97.244101
Abstract
We experimentally explore the underlying pseudo-classical phase space structure of the quantum delta kicked accelerator. This was achieved by exposing a Bose-Einstein condensate to the spatially corrugated potential created by pulses of an off-resonant standing light wave. For the first time quantum accelerator modes were realized in such a system. By utilizing the narrow momentum distribution of the condensate we were able to observe the discrete momentum state structure of a quantum accelerator mode and also to directly measure the size of the structures in the phase space.
4 pages, 5 figures, added 2 references and figures are modified to increase the readability, submitted to Phys. Rev. Lett
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