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Communication Dans Un Congrès Année : 2011

Tests of gravity at the solar system scale

Résumé

As confirmed by tests performed in the solar system, General Relativity (GR) presently represents the best description of gravitation. It is however challenged by observations at very large length scales, and already at the solar system scale, tracking of the Pioneer 10/11 probes has failed to confirm their expected behavior according to GR. Metric extensions of GR, which are presented here, have the quality of preserving the fundamental properties of GR while introducing scale dependent modifications. We show that they moreover represent an appropriate family of gravitation theories to be compared with observations when analysing gravity tests. We also discuss different tests which could allow one to determine the metric extension of GR prevailing in the solar system.

Dates et versions

hal-00611400 , version 1 (26-07-2011)

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Marc-Thierry Jaekel, Serge Reynaud. Tests of gravity at the solar system scale. Experimental Gravity and Gravitational Waves, 2011, La Thuile, Italy. pp.241-248. ⟨hal-00611400⟩
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