Hannover 2003 – wissenschaftliches Programm

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Q: Quantenoptik

Q 48: Poster: Fallen und Kühlung

Q 48.14: Poster

Donnerstag, 27. März 2003, 16:30–18:30, Lichthof

Trapping atoms in the vacuum field of a cavity — •Christian Schoen — Max-Planck-Institut fuer Quantenoptik, Hans-Kopfermann-Str. 1, D-85748 Garching

The aim of this work is to find ways to trap an atom in a cavity. In contrast to other approaches we propose a method where the cavity is basically in the vacuum state and the atom in the ground state. The idea is to induce a spatial dependent AC Stark shift by irradiating the atom with a weak laser field, so that the atom experiences a trapping force. The main feature of our setup is that dissipation can be strongly suppressed. We estimate the lifetime of the atom as well as the trapping potential parameters and compare our estimations with numerical simulations.