Margolis, H S (2014) Timekeepers of the future. Nature Physics, 10 (2). pp. 82-83.

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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.

Item Type:	Article
Subjects:	Time and Frequency Time and Frequency > Optical Frequency Standards and Metrology
Identification number/DOI:	10.1038/nphys2834
Last Modified:	02 Feb 2018 13:13
URI:	https://eprintspublications.npl.co.uk/id/eprint/6126