Coherence loss and revivals in atomic interferometry: A quantum-recoil analysis

Details Coherence loss and revivals in atomic interferometry: A quantum-recoil analysis Coherence loss and revivals in atomic interferometry: A quantum-recoil analysis

2010-06-02

arxiv.org/abs/1006.0450v2

J. Phys. A: Math. Theor. 45, 165303 (2012)

Physics

Quantum Physics

18 pages, 4 figures

Scientific paper

10.1088/1751-8113/45/16/165303

The coherence effects induced by external photons coupled to matter waves inside a Mach-Zehnder three-grating interferometer are analyzed. Alternatively to atom-photon entanglement scenarios, the model considered here only relies on the atomic wave function and the momentum shift induced in it by the photon scattering events. A functional dependence is thus found between the observables, namely the fringe visibility and the phase shift, and the transversal momentum transfer distribution. A good quantitative agreement is found when comparing the results obtained from our model with the experimental data.

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