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arXiv · 1712.02868

Ultracold molecules for measuring the electron's electric dipole moment

J. Lim·J. R. Almond·M. A. Trigatzis·J. A. Devlin·N. J. Fitch·B. E. Sauer·M. R. Tarbutt·E. A. Hinds
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Abstract

We demonstrate one-dimensional sub-Doppler laser cooling of a beam of YbF molecules to 100 $\mu$K. This is a key step towards a measurement of the electron's electric dipole moment using ultracold molecules. We compare the effectiveness of magnetically-assisted and polarization-gradient sub-Doppler cooling mechanisms. We model the experiment and find good agreement with our data.

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J. Lim, J. R. Almond, M. A. Trigatzis, J. A. Devlin, N. J. Fitch, B. E. Sauer, M. R. Tarbutt, E. A. Hinds. 2017-12-07. Ultracold molecules for measuring the electron's electric dipole moment. https://doi.org/10.1103/physrevlett.120.123201

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