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Two-Photon Photoassociation

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Photoassociation of Ultracold CsYb Molecules and Determination of Interspecies Scattering Lengths

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Abstract

With the one-photon photoassociation measurements complete, we now expand our binding energy measurements to the ground state. An accurate model of the electronic ground state potential is essential for accurate prediction of interspecies Feshbach resonances and can also be used to calculate interspecies scattering lengths. Ab initio calculations of these molecular potentials are challenging and cannot achieve the accuracy required for our purposes.

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Notes

  1. 1.

    Rather confusingly, the continuum is not that of the initial collision energies but of \(E_\mathrm{b_{2}}\) due to its much larger energy width.

  2. 2.

    The definition of \(\Omega _\mathrm{BB}\) in Eq. 8.8 is twice that in Ref. [35].

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  1. Department of Physics, Durham University, Durham, UK

    Dr. Alexander Guttridge

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Guttridge, A. (2019). Two-Photon Photoassociation. In: Photoassociation of Ultracold CsYb Molecules and Determination of Interspecies Scattering Lengths. Springer Theses. Springer, Cham. https://doi.org/10.1007/978-3-030-21201-8_8

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