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An elementary quantum network of entangled optical atomic clocks

Abstract:

Optical atomic clocks are our most precise tools to measure time and frequency1,2,3. Precision frequency comparisons between clocks in separate locations enable one to probe the space–time variation of fundamental constants4,5 and the properties of dark matter6,7, to perform geodesy8,9,10 and to evaluate systematic clock shifts. Measurements on independent systems are limited by the standard quantum limit; measurements on entangled systems can surpass the standard quantum limit to reach the u...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1038/s41586-022-05088-z

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Atomic & Laser Physics
Role:
Author
ORCID:
0000-0002-8462-6072
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Oxford college:
Balliol College
Role:
Author
ORCID:
0000-0003-0219-274X
More by this author
Role:
Author
ORCID:
0000-0002-2241-885X
Publisher:
Springer Nature
Journal:
Nature More from this journal
Volume:
609
Issue:
7928
Pages:
689-694
Place of publication:
England
Publication date:
2022-09-07
Acceptance date:
2022-07-07
DOI:
EISSN:
1476-4687
ISSN:
0028-0836
Pmid:
36071166
Language:
English
Keywords:
Pubs id:
1278149
Local pid:
pubs:1278149
Deposit date:
2022-11-14

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