Modified "delta kick cooling" for studies of atomic tunneling

Details Modified "delta kick cooling" for studies of atomic tunneling Modified "delta kick cooling" for studies of atomic tunneling

1998-12-14

arxiv.org/abs/quant-ph/9812031v2

Physics

Quantum Physics

LaTeX, 8 pages 10 figures

Scientific paper

We present progress towards a planned experiment on atomic tunneling of ultra-cold Rb atoms. As a first step in this experiment we present a realization of an improved form of "delta-kick cooling." By application of a pulsed magnetic field, laser cooled Rb atoms are further cooled by a factor of 10 (in 1-D) over the temperature out of molasses. Temperatures below 700 nK are observed. The technique can be used not only to cool without fundamental limit (but conserving phase-space density), but also to focus atoms, and as a spin-dependent probe.

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