Timekeepers of the future
Abstract
The latest generation of optical atomic clocks has reached such a degree of accuracy that questions about the need to redefine the second are raised. But even without such a redefinition, these breakthroughs will enable unprecedented precision tests of fundamental physics.
- Publication:
-
Nature Physics
- Pub Date:
- February 2014
- DOI:
- 10.1038/nphys2834
- Bibcode:
- 2014NatPh..10...82M