|
| related topics |
| {time, wave, function} |
| {state, states, coherent} |
| {photon, photons, single} |
| {level, atom, field} |
| {state, phys, rev} |
| {cavity, atom, atoms} |
| {time, decoherence, evolution} |
| {state, states, entangled} |
|
Creation of coherence in Bose-Einstein condensates by atom detection
Peter Horak, Stephen M. Barnett
abstract: We investigate the creation of a relative phase between two Bose-Einstein
condensates, initially in number states, by detection of atoms and show how the
system approaches a coherent state. Two very distinct time scales are found:
one for the creation of the interference is of the order of the detection time
for a few single atoms and another, for the preparation of coherent states, of
the order of the detection time for a significant fraction of the total number
of atoms. Approximate analytic solutions are derived and compared with exact
numerical results.
- oai_identifier:
- oai:arXiv.org:quant-ph/9903024
- categories:
- quant-ph
- comments:
- 10 pages, 8 figures (postscript)
- doi:
- 10.1088/0953-4075/32/14/312
- arxiv_id:
- quant-ph/9903024
- journal_ref:
- J.Phys. B32 (1999) 3421
- created:
- 1999-03-05
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