Manipulation of ultracold atoms in dressed adiabatic radio frequency potentials

Abstract

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.

References in corpus (5)

• Matter-wave interferometry in a double well on an atom chip
• Ultracold atoms confined in rf-induced two-dimensional trapping potentials
• Atom trapping and two-dimensional Bose-Einstein condensates in field-induced adiabatic potentials
• Transporting, splitting and merging of atomic ensembles in a chip trap
• Realizing a stable magnetic double-well potential on an atom chip

Cited by in corpus (9)

• Atom Interferometers
• Radio-frequency dressed state potentials for neutral atoms
• Optimal quantum control of Bose Einstein condensates in magnetic microtraps
• Ultracold atoms in radio-frequency-dressed potentials beyond the rotating wave approximation
• Matter-wave solitons with a periodic, piecewise-constant nonlinearity
• Fractional photon-assisted tunneling for Bose-Einstein condensates in a double well
• Trapping and cooling of rf-dressed atoms in a quadrupole magnetic field
• Geometric phase of an atom inside an adiabatic radio frequency potential
• Interaction induced trapping and pulsed emission of a magnetically insensitive Bose-Einstein Condensate