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Pré-Publication, Document De Travail Année : 2017

A two-particle, four-mode interferometer for atoms

Résumé

We present a free-space interferometer to observe two-particle interference of a pair of atoms with entangled momenta. The source of atom pairs is a Bose–Einstein condensate subject to a dynamical instability, and the interferometer is realized using Bragg diffraction on optical lattices, in the spirit of our recent Hong–Ou–Mandel experiment. We report an observation consistent with an entangled state at the input of the interferometer. We explain how our current setup can be extended to enable a test of a Bell inequality on momentum observables.
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Dates et versions

hal-01551704 , version 1 (30-06-2017)
hal-01551704 , version 2 (17-10-2017)

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Pierre I Dussarrat, Maxime I Perrier, Almazbek I Imanaliev, Raphael Lopes, Alain Aspect, et al.. A two-particle, four-mode interferometer for atoms. 2017. ⟨hal-01551704v1⟩
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