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Gravitational-wave versus binary-pulsar tests of strong-field gravity

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arxiv gr-qc/9803031 v2 pith:EFTCOODP submitted 1998-03-09 gr-qc astro-ph

Thibault Damour , Gilles Esposito-Farese This is my paper
classification gr-qcastro-ph
keywords gravitygravitational-waveobservationstensor-scalartestsbinariesbinarybinary-pulsar
verification ladder T0 review T1 audit T2 compute T3 formal
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Binary systems comprising at least one neutron star contain strong gravitational field regions and thereby provide a testing ground for strong-field gravity. Two types of data can be used to test the law of gravity in compact binaries: binary pulsar observations, or forthcoming gravitational-wave observations of inspiralling binaries. We compare the probing power of these two types of observations within a generic two-parameter family of tensor-scalar gravitational theories. Our analysis generalizes previous work (by us) on binary-pulsar tests by using a sample of realistic equations of state for nuclear matter (instead of a polytrope), and goes beyond a previous study (by C.M. Will) of gravitational-wave tests by considering more general tensor-scalar theories than the one-parameter Jordan-Fierz-Brans-Dicke one. Finite-size effects in tensor-scalar gravity are also discussed.

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Cited by 4 Pith papers

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