Collisional decoherence in trapped atom interferometers that use non-degenerate sources

Details Collisional decoherence in trapped atom interferometers that use non-degenerate sources Collisional decoherence in trapped atom interferometers that use non-degenerate sources

2008-10-24

arxiv.org/abs/0810.4455v2

Physics

Atomic Physics

(23 pages, 5 figures)

Scientific paper

10.1103/PhysRevA.79.013618

The coherence time, and thus sensitivity, of trapped atom interferometers that use non-degenerate gasses are limited by the collisions between the atoms. An analytic model that describes the effects of collisions between atoms in an interferometer is developed. It is then applied to an interferometer using a harmonically trapped non-degenerate atomic gas that is manipulated with a single set of standing wave laser pulses. The model is used to find the optimal operating conditions of the interferometer and direct Monte-Carlo simulation of the interferometer is used to verify the analytic model.

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