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

Bettermann, Oscar; Darkwah Oppong, Nelson; Pasqualetti, Giulio; Riegger, Luis; Bloch, Immanuel; Fölling, Simon

doi:10.1103/PhysRevA.108.L041302

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

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Bettermann, Oscar
Quantum Many Body Systems, Max Planck Institute of Quantum Optics, Max Planck Society;
MCQST - Munich Center for Quantum Science and Technology, External Organizations;

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Darkwah Oppong, Nelson
Quantum Many Body Systems, Max Planck Institute of Quantum Optics, Max Planck Society;
MCQST - Munich Center for Quantum Science and Technology, External Organizations;

/persons/resource/persons269862

Pasqualetti, Giulio
Quantum Many Body Systems, Max Planck Institute of Quantum Optics, Max Planck Society;
MCQST - Munich Center for Quantum Science and Technology, External Organizations;

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Riegger, Luis
Quantum Many Body Systems, Max Planck Institute of Quantum Optics, Max Planck Society;
MCQST - Munich Center for Quantum Science and Technology, External Organizations;

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Bloch, Immanuel
Quantum Many Body Systems, Max Planck Institute of Quantum Optics, Max Planck Society;
MCQST - Munich Center for Quantum Science and Technology, External Organizations;

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Fölling, Simon
Quantum Many Body Systems, Max Planck Institute of Quantum Optics, Max Planck Society;
MCQST - Munich Center for Quantum Science and Technology, External Organizations;

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Citation

Bettermann, O., Darkwah Oppong, N., Pasqualetti, G., Riegger, L., Bloch, I., & Fölling, S. (2023). Clock-line photoassociation of strongly bound dimers in a magic-wavelength lattice. Physical Review A, 108: L041302. doi:10.1103/PhysRevA.108.L041302.

Cite as: https://hdl.handle.net/21.11116/0000-000A-06F3-D

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.