Approach based on the quantum anomalous Hall effect does away with the need for applied magnetic fields
Read article: New candidate emerges for a universal quantum electrical standard
Fabrication technique reduces amount of expensive isotope needed
Read article: Solid-state nuclear clocks brought closer by physical vapour deposition
Greenberger–Horne–Zeilinger states increase measurement frequency
Read article: Multi-qubit entangled states boost atomic clock and sensor performance
New device could not only be the best time-keeper ever, it could also revolutionize fundamental physics studies
Read article: Nuclear clock ticks ever closer
Colorado-based researchers have reduced the systematic uncertainty in their optical lattice clock to a record low. Ali Lezeik explains how they did it
Read article: The most precise timekeeping device ever built
Lunar time standard would avoid pitfalls of time dilation
Read article: Atomic clocks on the Moon could create ‘lunar positioning system’
Rapid progress being made in development of nuclear clock
Read article: Second team uses laser to excite thorium-229 nuclear transition
Gravity measurement benefits from optical lattice
Read article: Matter-wave interferometry puts new limits on ‘chameleon particles’
Prototype outperforms existing microwave clocks under real-world conditions
Read article: Ship-based atomic clock passes precision milestone
Experiment suggests that a solid-state clock could be possible
Read article: Excitation of thorium-229 brings a working nuclear clock closer
