|
| related topics |
| {cavity, atom, atoms} |
| {level, atom, field} |
| {temperature, thermal, energy} |
| {time, wave, function} |
| {trap, ion, state} |
| {classical, space, random} |
| {photon, photons, single} |
| {force, casimir, field} |
|
Scaling properties of cavity-enhanced atom cooling
Peter Horak, Helmut Ritsch
abstract: We extend an earlier semiclassical model to describe the dissipative motion
of N atoms coupled to M modes inside a coherently driven high-finesse cavity.
The description includes momentum diffusion via spontaneous emission and cavity
decay. Simple analytical formulas for the steady-state temperature and the
cooling time for a single atom are derived and show surprisingly good agreement
with direct stochastic simulations of the semiclassical equations for N atoms
with properly scaled parameters. A thorough comparison with standard free-space
Doppler cooling is performed and yields a lower temperature and a cooling time
enhancement by a factor of M times the square of the ratio of the atom-field
coupling constant to the cavity decay rate. Finally it is shown that laser
cooling with negligible spontaneous emission should indeed be possible,
especially for relatively light particles in a strongly coupled field
configuration.
- oai_identifier:
- oai:arXiv.org:quant-ph/0103141
- categories:
- quant-ph
- comments:
- 7 pages, 5 figures
- doi:
- 10.1103/PhysRevA.64.033422
- arxiv_id:
- quant-ph/0103141
- journal_ref:
- Phys. Rev. A 64, 033422 (2001)
- created:
- 2001-03-26
Full article ▸
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