@article{1303806, author = {Alexander Aeppli and Kyungtae Kim and William Warfield and Marianna Safronova and Jun Ye}, title = {A clock with 8 X 10-19 systemic uncertainty}, year = {2024}, number = {133}, month = {2024-07-10 04:07:00}, publisher = {Physical Review Letters}, url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=957640}, doi = {https://doi.org/ 10.1103/PhysRevLett.133.023401}, language = {en}, }