Manipulation of ultracold atoms in dressed adiabatic radio frequency potentials

Details Manipulation of ultracold atoms in dressed adiabatic radio frequency potentials Manipulation of ultracold atoms in dressed adiabatic radio frequency potentials

2006-06-19

arxiv.org/abs/physics/0606165v1

Phys. Rev. A 74 033619 (2006)

Physics

Atomic Physics

Scientific paper

10.1103/PhysRevA.74.033619

We explore properties of atoms whose magnetic hyperfine sub-levels are coupled by an external magnetic radio frequency (rf) field. We perform a thorough theoretical analysis of this driven system and present a number of systematic approximations which eventually give rise to dressed adiabatic radio frequency potentials. The predictions of this analytical investigation are compared to numerically exact results obtained by a wave packet propagation. We outline the versatility and flexibility of this new class of potentials and demonstrate their potential use to build atom optical elements such as double-wells, interferometers and ringtraps. Moreover, we perform simulations of interference experiments carried out in rf induced double-well potentials. We discuss how the nature of the atom-field coupling mechanism gives rise to a decrease of the interference contrast.

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