A specific choice of gauge is shown to imply a decoupling between the tensor and scalar components of gravitational radiation in the context of Brans–Dicke-type theories of gravitation. The comparison of the predictions of these theories with those of general relativity is thereby made straightforward.
François Gallaire, Shahab Eghbali, Simeon Vladimirov Djambov
Daniel Garcia Figueroa, Adrien Florio, Wessel Valkenburg, Francisco Torrenti