Abstract
We report on a theoretical and numerical study of the propagation of atomic beams crossing a detuned standing-wave laser beam in the geometric-optics limit. The interplay between the external and internal atomic degrees of freedom is used to manipulate the atomic motion along the light optical axis. By adjusting the atom–laser detuning, we demonstrate how to focus, split, and scatter atomic beams in real experiments. The novel effect of chaotic scattering of atoms on a regular near-resonant standing wave is found numerically and explained qualitatively. Some applications of the effects found are discussed.
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