Radio frequency association of heteronuclear Feshbach molecules

Details Radio frequency association of heteronuclear Feshbach molecules Radio frequency association of heteronuclear Feshbach molecules

2008-09-02

arxiv.org/abs/0809.0340v2

Phys. Rev. A 78, 061602(R) (2008)

Physics

Quantum Physics

5 pages, 4 figures

Scientific paper

10.1103/PhysRevA.78.061602

We present a detailed analysis of the production efficiency of weakly bound heteronuclear KRb-Feshbach molecules using radio frequency association in a harmonic trap. The efficiency was measured in a wide range of temperatures, binding energies and radio frequencies. A comprehensive analytical model is presented, explaining the observed asymmetric spectra and achieving good quantitative agreement with the measured production rates. This model provides a deep understanding of the molecule association process and paves the way for future experiments which rely on Feshbach molecules e.g. for the production of deeply bound molecules.

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