I review recent results obtained for extensions of general relativity formulated within the Palatini formalism, an approach in which metric and connection are treated as independent geometrical entities. The peculiar dynamics of these theories, governed by second-order equations and having no new degrees of freedom, makes them specially suitable to address certain aspects of quantum gravity phenomenology, construct nonsingular bouncing cosmologies, and explore black hole interiors, which in the Reissner-Nordström case develop a compact core of finite density instead of a point-like singularity.
CITATION STYLE
Olmo, G. J. (2014). The palatini approach beyond einstein’s gravity. In Springer Proceedings in Physics (Vol. 145, pp. 141–150). Springer Science and Business Media, LLC. https://doi.org/10.1007/978-3-319-00297-2_14
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