Time-Averaged Adiabatic Potentials: Versatile traps and waveguides for ultracold quantum gases

Details Time-Averaged Adiabatic Potentials: Versatile traps and waveguides for ultracold quantum gases Time-Averaged Adiabatic Potentials: Versatile traps and waveguides for ultracold quantum gases

2006-12-08

arxiv.org/abs/cond-mat/0612213v1

Physics

Condensed Matter

Other Condensed Matter

5 pages, 3 figures

Scientific paper

We demonstrate a novel class of trapping potentials, time-averaged adiabatic potentials (TAAP) which allows the generation of a large variety of traps and waveguides for ultracold atoms. Multiple traps can be coupled through controllable tunneling barriers or merged altogether. We present analytical expressions for pancake-, cigar-, and ring- shaped traps. The ring-geometry is of particular interest for guided matter-wave interferometry as it provides a perfectly smooth waveguide of controllable diameter, and thus a tunable sensitivity of the interferometer.

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