Theoretical analysis of a single and double reflection atom interferometer in a weakly-confining magnetic trap

Details Theoretical analysis of a single and double reflection atom interferometer in a weakly-confining magnetic trap Theoretical analysis of a single and double reflection atom interferometer in a weakly-confining magnetic trap

2007-12-12

arxiv.org/abs/0712.2057v1

Physics

Atomic Physics

25 pages, 6 figures

Scientific paper

10.1103/PhysRevA.77.043604

The operation of a BEC based atom interferometer, where the atoms are held in a weakly-confining magnetic trap and manipulated with counter-propagating laser beams, is analyzed. A simple analytic model is developed to describe the dynamics of the interferometer. It is used to find the regions of parameter space with high and low contrast of the interference fringes for both single and double reflection interferometers. We demonstrate that for a double reflection interferometer the coherence time can be increased by shifting the recombination time. The theory is compared with recent experimental realizations of these interferometers.

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