|
| related topics |
| {time, wave, function} |
| {classical, space, random} |
| {wave, scattering, interference} |
| {cavity, atom, atoms} |
| {level, atom, field} |
| {cos, sin, state} |
| {state, states, coherent} |
|
Quantum slow motion
M. Hug, G. J. Milburn
abstract: We simulate the center of mass motion of cold atoms in a standing, amplitude
modulated, laser field as an example of a system that has a classical mixed
phase-space. We show a simple model to explain the momentum distribution of the
atoms taken after any distinct number of modulation cycles. The peaks
corresponding to a classical resonance move towards smaller velocities in
comparison to the velocities of the classical resonances. We explain this by
showing that, for a wave packet on the classical resonances, we can replace the
complicated dynamics in the quantum Liouville equation in phase-space by the
classical dynamics in a modified potential. Therefore we can describe the
quantum mechanical motion of a wave packet on a classical resonance by a purely
classical motion.
- oai_identifier:
- oai:arXiv.org:quant-ph/9901001
- categories:
- quant-ph
- arxiv_id:
- quant-ph/9901001
- created:
- 1999-01-01
Full article ▸
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