Clock with 8 × 10^{−19} Systematic Uncertainty

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Abstract

We report an optical lattice clock with a total systematic uncertainty of 8.1 × 10−19 in fractional frequency units, representing the lowest uncertainty of any clock to date. The clock relies on interrogating the ultranarrow 1S03P0 transition in a dilute ensemble of fermionic strontium atoms trapped in a vertically-oriented, shallow, one-dimensional optical lattice.

Year of Publication
2024
Date Published
2024-07
Journal Title
Physical Review Letters
Volume
133
Start Page or Article ID
023401
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