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Updated constraints from PLANCK on f(R) theories
A. Marchini, V. Salvatelli
303 - 308
10.3254/978-1-61499-476-3-303
Proceedings of the International School of Physics "Enrico Fermi"
Volume 186: New Horizons for Observational Cosmology
Abstract

A modification of the action of general relativity leaves an imprint on the cosmic microwave background (CMB) anisotropies due to a different pattern for the growth of the cosmic structures below a certain length-scale. We re-examine the upper limits on the length-scale parameter B0 of f(R) models using the recent data from the Planck satellite experiment. We also investigate the combined constraints obtained when including the Hubble Space Telescope H0 measurement and the baryon acoustic oscillations measurements from the SDSS, WiggleZ and BOSS surveys.

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