Reactions of ultracold alkali metal dimers

Details Reactions of ultracold alkali metal dimers Reactions of ultracold alkali metal dimers

2010-03-06

arxiv.org/abs/1003.1418v2

Phys. Rev. A 81, 060703 (2010)

Physics

Atomic Physics

Version responding to referees comments, with updated references and numerical changes in Table 3, but conclusions unchanged

Scientific paper

10.1103/PhysRevA.81.060703

We investigate the energetics of reactions involving pairs of alkali metal dimers. Atom exchange reactions to form homonuclear dimers are energetically allowed for some but not all of the heteronuclear dimers. We carry out high-level electronic structure calculations on the potential energy surfaces of all the heteronuclear alkali metal trimers and show that trimer formation reactions are always energetically forbidden for low-lying singlet states of the dimers. The results have important implications for the stability of quantum gases of alkali metal dimers.

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