Optimal transport of ultracold atoms in the non-adiabatic regime

Details Optimal transport of ultracold atoms in the non-adiabatic regime Optimal transport of ultracold atoms in the non-adiabatic regime

2007-08-30

arxiv.org/abs/0708.4197v3

Europhys. Lett. 83 (2008) 13001

Physics

Condensed Matter

Other Condensed Matter

Scientific paper

10.1209/0295-5075/83/13001

We report the transport of ultracold atoms with optical tweezers in the non-adiabatic regime, i.e. on a time scale on the order of the oscillation period. We have found a set of discrete transport durations for which the transport is not accompanied by any excitation of the centre of mass of the cloud. We show that the residual amplitude of oscillation of the dipole mode is given by the Fourier transform of the velocity profile imposed to the trap for the transport. This formalism leads to a simple interpretation of our data and simple methods for optimizing trapped particles displacement in the non-adiabatic regime.

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