Time-Averaged Adiabatic Potentials: Versatile traps and waveguides for ultracold quantum gases
arXiv:cond-mat/0612213 · doi:10.1103/PhysRevLett.99.083001
Abstract
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.
5 pages, 3 figures
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