Ground State Laser Cooling Beyond the Lamb-Dicke Limit

Details Ground State Laser Cooling Beyond the Lamb-Dicke Limit Ground State Laser Cooling Beyond the Lamb-Dicke Limit

1997-06-07

arxiv.org/abs/quant-ph/9706017v1

Europhys.Lett.23:1-5,1993

Physics

Quantum Physics

6 pages, 4 figures, to appear in Europhysics Letters

Scientific paper

10.1209/0295-5075/23/1/001

We propose a laser cooling scheme that allows to cool a single atom confined in a harmonic potential to the trap ground state $|0>$. The scheme assumes strong confinement, where the oscillation frequency in the trap is larger than the effective spontaneous decay width, but is not restricted to the Lamb-Dicke limit, i.e. the size of the trap ground state can be larger than the optical wavelength. This cooling scheme may be useful in the context of quantum computations with ions and Bose-Einstein condensation.

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