Magneto-Optical Trap for Polar Molecules

Details Magneto-Optical Trap for Polar Molecules Magneto-Optical Trap for Polar Molecules

2008-08-15

arxiv.org/abs/0808.2171v2

Phys. Rev. Lett. 101, 243002 (2008)

Physics

Atomic Physics

4 pages, 4 figures, 1 table v2: updated to final published text and figures

Scientific paper

10.1103/PhysRevLett.101.243002

We propose a method for laser cooling and trapping a substantial class of polar molecules, and in particular titanium (II) oxide (TiO). This method uses pulsed electric fields to nonadiabatically remix the ground-state magnetic sublevels of the molecule, allowing us to build a magneto-optical trap (MOT) based on a quasi-cycling $J'=J"-1$ transition. Monte-Carlo simulations of this electrostatically remixed MOT (ER-MOT) demonstrate the feasibility of cooling TiO to a temperature of 10 $\mathrm{\mu}K$ and trapping it with a radiation-pumping-limited lifetime on the order of 80 ms.

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