Cooling of trapped ions with a neutral buffer gas makes the study of atom–ion hybrid systems possible in the quantum regime. The new record low achieved opens the door to numerous opportunities, including full control over the atom–ion interactions.
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Sias, C. Making ions cooler. Nat. Phys. 16, 378–379 (2020). https://doi.org/10.1038/s41567-019-0773-4
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DOI: https://doi.org/10.1038/s41567-019-0773-4
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