Relativistic theory for time comparisons: a review

Author

Gérard Petit 1 and Peter Wolf 1,2

Affiliations

1 BIPM, Pavillon de Breteuil, F-92312 Sèvres Cedex, France
2 SYRTE, Observatoire de Paris, 61 av. de l'Observatoire, F-75014 Paris, France

E-mail

gpetit@bipm.org

Journal

Metrologia Create an alert RSS this journal

Issue

Volume 42, Number 3

Citation

Gérard Petit and Peter Wolf 2005 Metrologia 42 S138

doi: 10.1088/0026-1394/42/3/S14


 
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Abstract

Soon after the advent of atomic clocks 50 years ago, their unprecedented uncertainties and their widespread use required that the definition of time scales and clock comparison procedures be considered rigorously within the theoretical framework of general relativity. We review the present procedures and show that the current relativistic modelling is adequate for the need of clocks and time transfer techniques. Accounting for the expected improvements in clock and time transfer technology, we investigate some possible implications in relation to the relativistic models.

 
PACS

06.30.Ft Time and frequency

04.20.Gz Spacetime topology, causal structure, spinor structure

Subjects

Instrumentation and measurement

Gravitation and cosmology

Dates

Issue 3 (June 2005)

Received 7 March 2005

Published 7 June 2005



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