A no-hair theorem for black holes in f(R) gravity
Universidad Tecnológica de Bolívar
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In this work we present a no-hair theorem which discards the existence of four-dimensional asymptotically flat, static and spherically symmetric or stationary axisymmetric, non-trivial black holes in the frame of f (R) gravity under metric formalism. Here we show that our no-hair theorem also can discard asymptotic de Sitter stationary and axisymmetric non-trivial black holes. The novelty is that this no-hair theorem is built without resorting to known mapping between f (R) gravity and scalar-tensor theory. Thus, an advantage will be that our no-hair theorem applies as well to metric f (R) models that cannot be mapped to scalar-tensor theory. © 2017 IOP Publishing Ltd.
The author acknowledges Nora Breton for useful discussions and suggestions to improve this manuscript, and also Luisa G Jaime and Marcelo Salgado for many valuable discussions. This work was supported in part by the CONACyT.
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