Atom laser dynamics in a tight-waveguide

Details Atom laser dynamics in a tight-waveguide Atom laser dynamics in a tight-waveguide

2007-11-20

arxiv.org/abs/0711.3102v2

J. Phys.: Conf. Ser. 99, 012003 (2008)

Physics

Condensed Matter

Other Condensed Matter

6 pages, 5 figures, to be published in the Proceedings of the 395th WE-Heraeus Seminar on "Time Dependent Phenomena in Quantum

Scientific paper

10.1088/1742-6596/99/1/012003

We study the transient dynamics that arise during the formation of an atom laser beam in a tight waveguide. During the time evolution the density profile develops a series of wiggles which are related to the diffraction in time phenomenon. The apodization of matter waves, which relies on the use of smooth aperture functions, allows to suppress such oscillations in a time interval, after which there is a revival of the diffraction in time. The revival time scale is directly related to the inverse of the harmonic trap frequency for the atom reservoir.

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