Analogy between a two-well Bose-Einstein condensate and atom diffraction

Details Analogy between a two-well Bose-Einstein condensate and atom diffraction Analogy between a two-well Bose-Einstein condensate and atom diffraction

2002-12-20

arxiv.org/abs/physics/0212081v1

Physics

Atomic Physics

3 figures

Scientific paper

10.1103/PhysRevA.67.053611

We compare the dynamics of a Bose-Einstein condensate in two coupled potential wells with atoms diffracting from a standing light wave. The corresponding Hamiltonians have an identical appearance, but with a different set of commutation rules. Well-known diffraction phenomena as Pendellosung oscillations between opposite momenta in the case of Bragg diffraction, and adiabatic transitions between momentum states are shown to have analogies in the two-well case. They represent the collective exchange of a fixed number of atoms between the wells.

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