Trapping of Neutral Mercury Atoms and Prospects for Optical Lattice Clocks

Details Trapping of Neutral Mercury Atoms and Prospects for Optical Lattice Clocks Trapping of Neutral Mercury Atoms and Prospects for Optical Lattice Clocks

2007-11-29

arxiv.org/abs/0711.4638v1

Physics

Atomic Physics

4 pages, 3 figures

Scientific paper

10.1103/PhysRevLett.100.053001

We report a vapor-cell magneto-optical trapping of Hg isotopes on the ${}^1S_0-{}^3P_1$ intercombination transition. Six abundant isotopes, including four bosons and two fermions, were trapped. Hg is the heaviest non-radioactive atom trapped so far, which enables sensitive atomic searches for ``new physics'' beyond the standard model. We propose an accurate optical lattice clock based on Hg and evaluate its systematic accuracy to be better than $10^{-18}$. Highly accurate and stable Hg-based clocks will provide a new avenue for the research of optical lattice clocks and the time variation of the fine-structure constant.

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