May 20, 2010 article Constraining the Evolution of the Fundamental Constants with a Solid-State Optical Frequency Reference Based on the Th 229 Nucleus Physical Review Letters DOI: 10.1103/physrevlett.104.200802 OpenAlex Authors 0 Author list not loaded yet. Cited by 1 stored of 197 Search Sort Most cited Newest Oldest Patent citations Title Any typearticle review book-chapter conference-paper preprint dissertation book dataset other Any fieldAgricultural and Biological Sciences Arts and Humanities Biochemistry, Genetics and Molecular Biology Business, Management and Accounting Chemical Engineering Chemistry Computer Science Decision Sciences Dentistry Earth and Planetary Sciences Economics, Econometrics and Finance Energy Engineering Environmental Science Health Professions Immunology and Microbiology Materials Science Mathematics Medicine Neuroscience Nursing Pharmacology, Toxicology and Pharmaceutics Physics and Astronomy Psychology Social Sciences Veterinary Open access Nuclear clocks for testing fundamental physics 2021 Quantum Science and Technology article Physics and Astronomy Advanced Frequency and Time Standards Open access 153 citations 1 result References 0