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Cosmology with Eddington-inspired Gravity
James H. C. Scargill, Maximo Banados, Pedro G. Ferreira
We study the dynamics of homogeneous, isotropic universes which are governed by the Eddington-inspired alternative theory of gravity which has a single extra parameter, . Previo…
A tensor instability in the Eddington inspired Born-Infeld Theory of Gravity
Celia Escamilla-Rivera, Maximo Banados, Pedro G. Ferreira
In this paper we consider an extension to Eddington's proposal for the gravitational action. We study tensor perturbations of a homogeneous and isotropic space-time in the Eddingto…
The action for higher spin black holes in three dimensions
M. Banados, R. Canto, S. Theisen
In the context of (2+1)--dimensional Chern-Simons SL(N,R)\times SL(N,R) gauge fields and spin N black holes we compute the on-shell action and show that it generates sensible and c…