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The stability of fundamental constants |
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| Affiliation: | 1. Institut d''atrophysique de Paris, UMR 7095 du CNRS, Université Pierre-et-Marie-Curie, 98 bis, boulevard Arago, 75014 Paris, France;2. Sorbonne Universités, Institut Lagrange de Paris, 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. |
| Keywords: | Fundamental constants General relativity Equivalence principle Cosmology Cosmic microwave background Nucleosynthesis Constantes fondamentales Relativité générale Principe d'équivalence Cosmologie Fond diffus cosmologique Nucléosynthèse |
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