Trapping atoms in the vacuum field of a cavity

C. Schön and J. I. Cirac
Phys. Rev. A 67, 043813 – Published 22 April 2003
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Abstract

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 is 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.

  • Received 11 December 2002

DOI:https://doi.org/10.1103/PhysRevA.67.043813

©2003 American Physical Society

Authors & Affiliations

C. Schön* and J. I. Cirac

  • Max-Planck-Institut für Quantenoptik, Hans-Kopfermann-Strasse 1, Garching D-85748, Germany

  • *Electronic address: Christian.Schoen@mpq.mpg.de

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Vol. 67, Iss. 4 — April 2003

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