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Frequency reproducibility of solid-state thorium-229 nuclear clocks

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Tiedau, J. et al. Laser excitation of the Th-229 nucleus. Phys. Rev. Lett. 132, 182501 (2024).

Elwell, R. et al. Laser excitation of the 229Th nuclear isomeric transition in a solid-state host. Phys. Rev. Lett. 133, 013201 (2024).

Zhang, C. et al. Frequency ratio of the 229mTh nuclear isomeric transition and the 87Sr atomic clock. Nature 633, 63–70 (2024).

Zhang, C. et al. 229ThF 4 thin films for solid-state nuclear clocks. Nature 636, 603–608 (2024).

Beeks, K. et al. The thorium-229 low-energy isomer and the nuclear clock. Nat. Rev. Phys. 3, 238–248 (2021).

Beeks, K. et al. Fine-structure constant sensitivity of the Th-229 nuclear clock transition. Nat. Commun. 16, 9147 (2025).

Caputo, A. et al. Sensitivity of nuclear clocks to new physics. Phys. Rev. C 112, L031302 (2025).

Fuchs, E. et al. Searching for dark matter with the 229Th nuclear lineshape from laser spectroscopy. Phys. Rev. X 15, 021055 (2025).

Kazakov, G. A. et al. Performance of a 229Thorium solid-state nuclear clock. New J. Phys. 14, 083019 (2012).

Aeppli, A., Kim, K., Warfield, W., Safronova, M. S. & Ye, J. Clock with 8 × 10−19 systematic uncertainty. Phys. Rev. Lett. 133, 023401 (2024).

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