Abstract
Dark-state cooling of atoms in the presence of a uniform external (gravity) field is investigated. The external field leads to a finite lifetime for the dark state and thereby to a lower limit for the temperatures obtainable. The minimum temperature in the presence of a gravity field is found to be [Formula Presented]∼Mgλ/2π (where M is the atom mass, λ the wavelength of the cooling laser). This limit is shown to be a universal limit for any laser-cooling scheme.
| Original language | English |
|---|---|
| Pages (from-to) | 1217-1223 |
| Number of pages | 7 |
| Journal | Physical Review A - Atomic, Molecular, and Optical Physics |
| Volume | 55 |
| Issue number | 2 |
| DOIs | |
| State | Published - 1997 |
ASJC Scopus Subject Areas
- Atomic and Molecular Physics, and Optics
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