Analysis of a free oscillation atom interferometer

Details Analysis of a free oscillation atom interferometer Analysis of a free oscillation atom interferometer

2010-12-20

arxiv.org/abs/1012.4380v2

Phys. Rev. A 84, 033639 (2011)

Physics

Atomic Physics

24 pages, 5 figures, figures updated, typos corrected, 3 references added, 'Conclusions' Section added

Scientific paper

We analyze a Bose-Einstein condensate (BEC) - based free oscillation atom Michelson interferometer in a weakly confining harmonic magnetic trap. A BEC at the center of the trap is split into two harmonics by a laser standing wave. The harmonics move in opposite directions with equal speeds and turn back under the influence of the trapping potential at their classical turning points. The harmonics are allowed to pass through each other and a recombination pulse is applied when they overlap at the end of a cycle after they return for the second time. We derive an expression for the contrast of the interferometric fringes and obtain the fundamental limit of performance of the interferometer in the parameter space.

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