3 code implementations • 5 Apr 2016 • Macarena Lagos, Tessa Baker, Pedro G. Ferreira, Johannes Noller
In the case of vector-tensor theories, we first construct the most general quadratic action for perturbations that leads to second-order equations of motion, which propagates two scalar DoFs.
General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics High Energy Physics - Theory