Photoionization of ultracold and Bose-Einstein condensed Rb atoms

Details Photoionization of ultracold and Bose-Einstein condensed Rb atoms Photoionization of ultracold and Bose-Einstein condensed Rb atoms

2002-06-07

arxiv.org/abs/physics/0206019v1

Physics

Atomic Physics

9 pages, 7 figures

Scientific paper

10.1103/PhysRevA.66.043409

Photoionization of a cold atomic sample offers intriguing possibilities to observe collective effects at extremely low temperatures. Irradiation of a rubidium condensate and of cold rubidium atoms within a magneto-optical trap with laser pulses ionizing through 1-photon and 2-photon absorption processes has been performed. Losses and modifications in the density profile of the remaining trapped cold cloud or the remaining condensate sample have been examined as function of the ionizing laser parameters. Ionization cross-sections were measured for atoms in a MOT, while in magnetic traps losses larger than those expected for ionization process were measured.

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