The rise of a tensor instability in Eddington-inspired gravity

Celia Escamilla-Rivera; Maximo Banados; Pedro G. Ferreira

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The rise of a tensor instability in Eddington-inspired gravity

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arxiv 1301.5264 v1 pith:LJRUZBZI submitted 2013-01-22 gr-qc

Celia Escamilla-Rivera , Maximo Banados , Pedro G. Ferreira This is my paper

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In this work an extension to Eddington's gravitational action is analyzed. We consider the tensor perturbations of a FLRW space-time in the Eddington regime in where the tensor mode is linearly unstable deep and the resulting modifications to Einstein regime are quite strong.

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