Nonperturbative strong-field effects in tensor-scalar theories of gravitation
Thibault DamourDépartement d’Astrophysique Relativiste et de Cosmologie, Observatoire de Paris, Centre National de la Recherche Scientifique, 92195 Meudon, FranceGilles Esposito-FarèseCentre de Physique Théorique, Centre National de la Recherche Scientifique, Luminy, Case 907, 13288 Marseille CEDEX 9, France
1993en
ABI
Annotatsiya
It is shown that a wide class of tensor-scalar theories can pass the present weak-field gravitational tests and exhibit nonperturbative strong-field deviations away from general relativity in systems involving neutron stars. This is achieved without requiring either large dimensionless parameters, fine tuning, or the presence of negative-energy modes. This gives greater significance to tests of the strong gravitational field regime, notably binary pulsar experiments.
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