3 years ago

Modified Gravity (MOG), the speed of gravitational radiation and the event GW170817/GRB170817A.

J. W. Moffat, M. A. Green, V. T. Toth

Modified gravity (MOG) is a covariant, relativistic, alternative gravitational theory whose field equations are derived from an action that supplements the spacetime metric tensor with vector and scalar fields. Both gravitational (spin 2) and electromagnetic waves travel on null geodesics of the theory's one metric. Despite a recent claim to the contrary, MOG satisfies the weak equivalence principle and is consistent with observations of the neutron star merger and gamma ray burster event GW170817/GRB170817A.

Publisher URL: http://arxiv.org/abs/1710.11177

DOI: arXiv:1710.11177v1

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