3 papers
gr-qc2026
Relativistic Modeling for Solid Earth Tide Estimation via Space-to-Ground Clock Comparison
Qin Li, Wei-Hang Sun, Yu-Jie Tan +6
With the rapid development of modern atomic clock technology, their unprecedented precision elevates them from timekeeping tools to gravitational potential sensors, thereby fosteri…
physics.atom-ph2025
A zero-dead-time strontium lattice clock with a stability at level
Xiao-Yong Liu, Peng Liu, Jie Li +20
Optical atomic clocks play a crucial role in fundamental physics, relativistic geodesy, and the future redefinition of the SI second. Standard operation relies on cyclic interrogat…
physics.atom-ph2025
Improved systematic evaluation of a strontium optical clock with uncertainty below
Zhi-Peng Jia, Jie Li, De-Quan Kong +17
We report a systematic uncertainty of for the USTC Sr1 optical lattice clock, achieving accuracy at the level required for the roadmap of the redefinition of t…