Title

Bianchi identities in f(T) gravity: Paving the way to confrontation with astrophysics

Document Type

Article

Publication Date

11-10-2020

Abstract

Theories of f(T) gravity are being actively confronted with cosmological observations, and are being studied for their potential to solve famous problems of cosmology. A necessary step is to extend these studies to astrophysical settings. However, to this end one must understand the structure of spherically symmetric solutions. We show that two different known approaches to these solutions are actually fully equivalent from the point of view of Lorentz-covariant formalism. Moreover, we explain Bianchi identities in f(T) gravity and apply them to show that the corresponding equations are always compatible. It puts these efforts on much firmer grounds than before.

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