We present for the first time the complete matter power spectrum for Rn gravity which has been derived from the fourth order scalar perturbation equations. This leads to the discovery of a characteristic signature of fourth order gravity in the matter power spectrum, the details of which have not seen before in other studies in this area and therefore provides a crucial test for fourth order gravity on cosmological scales.
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CITATION STYLE
Ananda, K. N., Carloni, S., & Dunsby, P. K. S. (2011). A characteristic signature of fourth order gravity. In Springer Proceedings in Physics (Vol. 137, pp. 165–172). Springer Science and Business Media, LLC. https://doi.org/10.1007/978-3-642-19760-4_15