Levitated nanoparticles can now be cooled to the motional ground state in two dimensions. This advance could enable a new generation of macroscopic quantum experiments.
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Wilson, D.J. Ground-state cooling goes 2D. Nat. Phys. 19, 931–932 (2023). https://doi.org/10.1038/s41567-023-01991-y
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DOI: https://doi.org/10.1038/s41567-023-01991-y
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