Continuous loading of a non-dissipative atom trap

Details Continuous loading of a non-dissipative atom trap Continuous loading of a non-dissipative atom trap

2002-06-28

arxiv.org/abs/cond-mat/0206581v1

Europhys. Lett. Vol 61, 187 (2003)

Physics

Condensed Matter

Statistical Mechanics

7 pages, 2 figures

Scientific paper

10.1209/epl/i2003-00211-3

We study theoretically a scheme in which particles from an incident beam are trapped in a potential well when colliding with particles already present in the well. The balance between the arrival of new particles and the evaporation of particles from the trapped cloud leads to a steady-state that we characterize in terms of particle number and temperature. For a cigar shaped potential, different longitudinal and transverse evaporation thresholds can be chosen. We show that a resonance occur when the transverse evaporation threshold coincides with the energy of the incident particles. It leads to a dramatic increase in phase space density with respect to the incident beam.

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