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Tests of General Relativity with GW170817

B. P. Abbott et al. (LIGO Scientific Collaboration and Virgo Collaboration)
Phys. Rev. Lett. 123, 011102 – Published 1 July 2019

Abstract

The recent discovery by Advanced LIGO and Advanced Virgo of a gravitational wave signal from a binary neutron star inspiral has enabled tests of general relativity (GR) with this new type of source. This source, for the first time, permits tests of strong-field dynamics of compact binaries in the presence of matter. In this Letter, we place constraints on the dipole radiation and possible deviations from GR in the post-Newtonian coefficients that govern the inspiral regime. Bounds on modified dispersion of gravitational waves are obtained; in combination with information from the observed electromagnetic counterpart we can also constrain effects due to large extra dimensions. Finally, the polarization content of the gravitational wave signal is studied. The results of all tests performed here show good agreement with GR.

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  • Received 20 November 2018
  • Revised 21 March 2019
  • Corrected 20 August 2019

DOI:https://doi.org/10.1103/PhysRevLett.123.011102

© 2019 American Physical Society

Physics Subject Headings (PhySH)

Gravitation, Cosmology & Astrophysics

Corrections

20 August 2019

Correction: Two authors (O. Bock and H.-B. Eggenstein) requested that their names be removed from the author list, which has been implemented.

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Issue

Vol. 123, Iss. 1 — 3 July 2019

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