| Issue |
EPL
Volume 99, Number 2, July 2012
|
|
|---|---|---|
| Article Number | 20009 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/99/20009 | |
| Published online | 30 July 2012 | |
Chaotic scattering of atoms at a standing laser wave
Laboratory of Nonlinear Dynamical Systems, Pacific Oceanological Institute of the Russian Academy of Sciences 43 Baltiiskaya st., 690041 Vladivostok, Russia
Received: 26 December 2011
Accepted: 26 June 2012
Atoms, propagating across a detuned standing laser wave, can be scattered in a chaotic way even in the absence of spontaneous emission and any modulation of the laser field. Spontaneous emission masks the effect in some degree, but the Monte Carlo simulation shows that it can be observed in real experiments by the absorption imaging method or depositing atoms on a substrate. The effect of chaotic scattering is explained by a specific behavior of the dipole moments of atoms crossing the field nodes and is shown to depend strongly on the value of the atom-laser detuning.
PACS: 05.45.Mt – Quantum chaos; semiclassical methods / 37.10.Vz – Mechanical effects of light on atoms, molecules, and ions / 42.50.St – Nonclassical interferometry, subwavelength lithography
© EPLA, 2012
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