Creating ultracold molecules by collisions with ultracold rare gas atoms in an optical trap

Details Creating ultracold molecules by collisions with ultracold rare gas atoms in an optical trap Creating ultracold molecules by collisions with ultracold rare gas atoms in an optical trap

2008-06-06

arxiv.org/abs/0806.1196v1

PRA, 78 (2008) 052707

Physics

Atomic Physics

5 pages, 1 figure, 1 table, submitted for publication

Scientific paper

10.1103/PhysRevA.78.052707

We study collisions of para-H$_2$ with five rare gas atomic species (He, Ne, Ar, Kr and Xe) over the range from 1 K to 1 $\mu$ K and evaluate the feasibility of sympathetic cooling H$_2$ with ultracold ground state rare gas atoms co-trapped within a deep optical trap. Collision cross-sections over this large temperature range show that all of these species could be used to cool H$_2$ to ultracold temperatures and that argon and helium are the most promising species for future experiments.

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