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  Clock-line photoassociation of strongly bound dimers in a magic-wavelength lattice

Bettermann, O., Darkwah Oppong, N., Pasqualetti, G., Riegger, L., Bloch, I., & Fölling, S. (submitted). Clock-line photoassociation of strongly bound dimers in a magic-wavelength lattice.

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Genre: Preprint
Other : Preprint arXiv: 2003.10599 Submitted on24 Mar 2020

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2003.10599.pdf (Preprint), 1005KB
 
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 Creators:
Bettermann, Oscar1, 2, Author           
Darkwah Oppong, Nelson1, 2, Author           
Pasqualetti, Giulio1, 2, Author           
Riegger, Luis1, 2, Author           
Bloch, Immanuel1, 2, Author           
Fölling, Simon1, 2, Author           
Affiliations:
1Quantum Many Body Systems, Max Planck Institute of Quantum Optics, Max Planck Society, ou_1445570              
2MCQST - Munich Center for Quantum Science and Technology, External Organizations, ou_3330166              

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Free keywords: Physics, Atomic Physics, physics.atom-ph
 Abstract: We report on the direct optical production and spectroscopy of $^1\mathrm{S}_0\mbox{-}^3\mathrm{P}_0$ molecules with large binding energy using the clock transition of $^{171}\mathrm{Yb}$, and on the observation of the associated orbital Feshbach resonance near $1300\,\mathrm{G}$. We measure the magnetic field dependence of the closed-channel dimer and of the open-channel pair state energy via clock-line spectroscopy in a deep optical lattice. In addition, we show that the free-to-bound transition into the dimer can be made first-order insensitive to the trap depth by choice of the lattice wavelength. Finally, we determine the fundamental intra- and interorbital scattering lengths and probe the stability of the corresponding pair states, finding long lifetimes in both interorbital interaction channels. These results are promising both for molecular clocks and for the preparation of strongly-interacting multiorbital Fermi gases.

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 Dates: 2020-03-24
 Publication Status: Submitted
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 Identifiers: arXiv: 2003.10599v1
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Project name : UQUAM
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Funding program : European Union’s Horizon 2020
Funding organization : European Research Council
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Funding organization : International Max Planck Re- search School for Quantum Science and Technology

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