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Chemphyschem. 2008 Feb 22;9(3):375-82. doi: 10.1002/cphc.200700713.

Highly coherent spectroscopy of ultracold atoms and molecules in optical lattices.

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JILA, National Institute of Standards and Technology and University of Colorado, Boulder, CO 80309-0440, USA.


Cooling and trapping of neutral atoms using laser techniques has enabled extensive progress in precise, coherent spectroscopy. In particular, trapping ultracold atoms in optical lattices in a tight confinement regime allows us to perform high-resolution spectroscopy unaffected by atomic motion. We report on the recent developments of optical lattice atomic clocks that have led to optical spectroscopy coherent at the one second timescale. The lattice clock techniques also open a promising pathway toward trapped ultracold molecules and the possible precision measurement opportunities such molecules offer.


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