Magnetic trapping of buffer-gas cooled chromium atoms and prospects for the extension to paramagnetic molecules

Details Magnetic trapping of buffer-gas cooled chromium atoms and prospects for the extension to paramagnetic molecules Magnetic trapping of buffer-gas cooled chromium atoms and prospects for the extension to paramagnetic molecules

2006-04-10

arxiv.org/abs/physics/0604079v3

J. Phys. B: At. Mol. Opt. Phys. 39, S1111-S1123, 2006

Physics

Atomic Physics

9 pages, 4 Figures

Scientific paper

10.1088/0953-4075/39/19/S21

We report the successful buffer-gas cooling and magnetic trapping of chromium atoms with densities exceeding $10^{12}$ atoms per cm$^{3}$ at a temperature of 350 mK for the trapped sample. The possibilities to extend the method to buffer-gas cool and magnetically trap molecules are discussed. To minimize the most important loss mechanism in magnetic trapping, molecules with a small spin-spin interaction and a large rotational constant are preferred. Both the CrH ($^6\Sigma^+$ ground state) and MnH ($^7\Sigma^+$) radicals appear to be suitable systems for future experiments.

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