Light-assisted inelastic cold collisions are the main loss process for neutral atoms trapped and laser cooled in magneto-optical traps. Alkaline earth atoms do not have hyperfine structure, which is expected to make the comparison between theoretical predictions and experimental results much easier, compared to the case of alkali-metal atoms. We present here a numerical calculation for the loss rates in a weak laser field for cold magnesium atoms.

Physica ScriptaJan 1, 20011 citation

arXiv:physics/0602070 · The European Physical Journal D

Cold collisions in strong laser fields: partial wave analysis of magnesium collisions

Jyrki Piilo, Emil Lundh, Kalle‐Antti Suominen

Published Jun 22, 2006• 1 citation

arXiv HTML PDF

DOI: 10.1140/epjd/e2006-00147-6

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^{24}\mathrm{Mg}

atoms in an MOT based on the $^{1}S_{0}\text{\ensuremath{-}}^{1}P_{1}$ atomic laser cooling transition. We find that radiative heating does not seem to affect the Doppler limit in this case. We also describe a channeling mechanism due to the missing

Q

branch in the excitation scheme, which could lead to a suppression of inelastic collisions, and find that this mechanism is not present in our simulation results due to the multistate character of the excitation process.