TL;DR
This paper reviews the strong agreement between General Relativity and experimental data, especially binary pulsar observations, while highlighting recent theoretical developments that could challenge this consensus and motivate further tests.
Contribution
It discusses the robustness of Einstein's theory in light of recent theoretical findings and emphasizes the need for improved experimental tests of gravity.
Findings
Excellent numerical agreement between theory and binary pulsar data
Recent theoretical results suggest possible deviations from Einstein's predictions
Motivates further experimental investigations into gravitational physics
Abstract
The confrontation between General Relativity and experimental results, notably binary pulsar data, is summarized and its significance discussed. The agreement between experiment and theory is numerically very impressive. However, some recent theoretical findings (existence of non-perturbative strong-field effects, natural cosmological attraction toward zero scalar couplings) suggest that the present agreement between Einstein's theory and experiment might be a red herring and provide new motivations for improving the experimental tests of gravity.
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Taxonomy
TopicsCosmology and Gravitation Theories · Relativity and Gravitational Theory · Pulsars and Gravitational Waves Research