Molecule formation in ultracold atomic gases

Details Molecule formation in ultracold atomic gases Molecule formation in ultracold atomic gases

2006-07-26

arxiv.org/abs/physics/0607234v1

Int. Rev. Phys. Chem. 25, 497-526 (2006)

Physics

Chemical Physics

To be published in International reviews in Physical Chemistry, Vol. 25, issue 4 (October 2006)

Scientific paper

10.1080/01442350600921772

This review describes recent experimental and theoretical advances in forming molecules in ultracold gases of trapped alkali metal atoms, both by magnetic tuning through Feshbach resonances and by photoassociation. Molecular Bose-Einstein condensation of long-range states of both boson dimers and fermion dimers was achieved in 2002-3. Condensates of boson dimers were found to be short-lived, but long-lived condensates of fermion dimers have been produced. Signatures of triatomic and tetraatomic molecules have recently been observed. Both homonuclear and heteronuclear molecules have been formed by photoassociation, mostly in very high vibrational levels. Recent attempts to produce ultracold molecules in short-range states (low vibrational levels) are described. Experimental and theoretical work on collisions of ultracold molecules is discussed.

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