dorsal/arxiv
View SchemaLight transport in cold atoms: the fate of coherent backscattering in the weak localization regime
| Authors | D. Wilkowski, Y. Bidel, T. Chaneliere, R. Kaiser, B. Klappauf, G. Labeyrie, C. Muller, C. Miniatura |
|---|---|
| Categories | |
| ArXiv ID | physics/0304045 |
| URL | https://arxiv.org/abs/physics/0304045 |
| DOI | 10.1016/S0921-4526(02)01786-6 |
| Journal | Physica B 328 (2003) 157 |
Abstract
The recent observation of coherent backscattering (CBS) of light by atoms has emphasized the key role of the velocity spread and of the quantum internal structure of the atoms. Firstly, using highly resonant scatterers imposes very low temperatures of the disordered medium in order to keep the full contrast of the CBS interference. This criterion is usually achieved with standard laser cooling techniques. Secondly, a non trivial internal atomic structure leads to a dramatic decrease of the CBS contrast. Experiments with Rubidium atoms (with a non trivial internal structure) and with Strontium (with the simplest possible internal structure) show this behaviour and confirm theoretical calculations.
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"abstract": "The recent observation of coherent backscattering (CBS) of light by atoms has\nemphasized the key role of the velocity spread and of the quantum internal\nstructure of the atoms. Firstly, using highly resonant scatterers imposes very\nlow temperatures of the disordered medium in order to keep the full contrast of\nthe CBS interference. This criterion is usually achieved with standard laser\ncooling techniques. Secondly, a non trivial internal atomic structure leads to\na dramatic decrease of the CBS contrast. Experiments with Rubidium atoms (with\na non trivial internal structure) and with Strontium (with the simplest\npossible internal structure) show this behaviour and confirm theoretical\ncalculations.",
"arxiv_id": "physics/0304045",
"authors": [
"D. Wilkowski",
"Y. Bidel",
"T. Chaneliere",
"R. Kaiser",
"B. Klappauf",
"G. Labeyrie",
"C. Muller",
"C. Miniatura"
],
"categories": [
"physics.atom-ph",
"physics.optics"
],
"doi": "10.1016/S0921-4526(02)01786-6",
"journal_ref": "Physica B 328 (2003) 157",
"title": "Light transport in cold atoms: the fate of coherent backscattering in the weak localization regime",
"url": "https://arxiv.org/abs/physics/0304045"
},
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