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Comptes Rendus Physique
Volume 16, n° 5
pages 576-585 (juin 2015)
Doi : 10.1016/j.crhy.2015.03.007
The stability of fundamental constants
La stabilité des constantes fondamentales
 

Jean-Philippe Uzan a, b,
a Institut d'atrophysique de Paris, UMR 7095 du CNRS, Université Pierre-et-Marie-Curie, 98 bis, boulevard Arago, 75014 Paris, France 
b Sorbonne Universités, Institut Lagrange de Paris, 98 bis, boulevard Arago, 75014 Paris, France 

Corresponding author at: Institut d'atrophysique de Paris, UMR 7095 du CNRS, Université Pierre-et-Marie-Curie, 98 bis, boulevard Arago, 75014 Paris, France.
Abstract

The tests of the constancy of fundamental constants are tests of the local position invariance and thus of the equivalence principle, at the heart of general relativity. After summarising the links between fundamental constants, gravity, cosmology and metrology, a brief overview of the observational and experimental constraints on their variation is proposed.

The full text of this article is available in PDF format.
Résumé

Les tests de la variation des constantes fondamentales sont des tests de l'invariance de position locale et donc du principe d'équivalence, au cœur de la relativité générale. Après un résumé des liens entre constantes fondamentales, gravitation, cosmologie et métrologie, ce texte propose un état des lieux des contraintes expérimentales et observationnelles sur leur variation.

The full text of this article is available in PDF format.

Keywords : Fundamental constants, General relativity, Equivalence principle, Cosmology, Cosmic microwave background, Nucleosynthesis

Mots-clés : Constantes fondamentales, Relativité générale, Principe d'équivalence, Cosmologie, Fond diffus cosmologique, Nucléosynthèse




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