A lab-based test of the gravitational redshift with a miniature clock network.
Journal
Nature communications
ISSN: 2041-1723
Titre abrégé: Nat Commun
Pays: England
ID NLM: 101528555
Informations de publication
Date de publication:
12 Aug 2023
12 Aug 2023
Historique:
received:
05
04
2023
accepted:
03
08
2023
medline:
13
8
2023
pubmed:
13
8
2023
entrez:
12
8
2023
Statut:
epublish
Résumé
Einstein's theory of general relativity predicts that a clock at a higher gravitational potential will tick faster than an otherwise identical clock at a lower potential, an effect known as the gravitational redshift. Here we perform a laboratory-based, blinded test of the gravitational redshift using differential clock comparisons within an evenly spaced array of 5 atomic ensembles spanning a height difference of 1 cm. We measure a fractional frequency gradient of [ - 12.4 ± 0. 7
Identifiants
pubmed: 37573452
doi: 10.1038/s41467-023-40629-8
pii: 10.1038/s41467-023-40629-8
pmc: PMC10423269
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
4886Subventions
Organisme : United States Department of Defense | United States Army | U.S. Army Research, Development and Engineering Command | Army Research Office (ARO)
ID : W911NF-21-1-0012
Organisme : NSF | Directorate for Mathematical & Physical Sciences | Division of Physics (PHY)
ID : 2143870
Informations de copyright
© 2023. Springer Nature Limited.
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