Black holes and wormholes in Deser-Woodard gravity

Abstract: The Deser-Woodard gravity is a modified theory of gravity in which nonlocality plays a central role. In this context, nonlocality is consequence of the inverse of the d'Alembertian operator $\square^{-1}$ in the effective action. Here, analytic black hole and wormhole solutions are built in the revised Deser-Woodard theory following a recent approach, where a special tetrad frame simplifies the complicated field equations of the theory. From deviations of the Schwarzschild metric and Reissner-Nordstr\"om metric, one obtains trasversable wormholes, singular black holes and a regular black hole as solutions of the vacuum field equations of the theory. Also, the auxiliary fields, which are responsible for the nonlocality, are computed. And even for a regular black solution, in which spacetime does not contain a curvature singularity, the corresponding auxiliary fields diverge at the event horizon.