Palatini formulation of non-local gravity

Fabio Briscese; Maria Laura Pucheu

doi:10.1142/S0219887817500190

Palatini formulation of non-local gravity

Fabio Briscese, Maria Laura Pucheu

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Abstract

We derive the dynamical equations for a non-local gravity model in the Palatini formalism and we discuss some of the properties of this model. We have shown that, in some specific case, the vacuum solutions of general relativity are also vacuum solutions of the non-local model, so we conclude that, at least in this case, the singularities of Einstein’s gravity are not removed.

Original language	English
Pages (from-to)	1750019
Journal	International Journal of Geometric Methods in Modern Physics
Volume	14
Issue number	02
DOIs	https://doi.org/10.1142/S0219887817500190
Publication status	Published - 7 Oct 2016

Keywords

Nonlocal gravity
Palatini variation
modified gravity

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10.1142/S0219887817500190

Briscese Pucheu - Palatini formulation of non-local gravityAccepted author manuscript, 681 KB

https://arxiv.org/abs/1511.03578v1

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AB - We derive the dynamical equations for a non-local gravity model in the Palatini formalism and we discuss some of the properties of this model. We have shown that, in some specific case, the vacuum solutions of general relativity are also vacuum solutions of the non-local model, so we conclude that, at least in this case, the singularities of Einstein’s gravity are not removed.

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KW - Palatini variation

KW - modified gravity

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Palatini formulation of non-local gravity

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