Testing $f(R)$ dark energy model with the large scale structure

Abstract

In this work, we further investigate the family of $f(R)$ dark energy models that can exactly mimic the same background expansion history as that of the $\Lambda$CDM model. We study the large scale structure in the $f(R)$ gravity using the full set cosmological perturbation equations. We investigate the structure formation in both the spatially flat and curved Universe. We also confront our model with the latest observations and conduct a Markov Chain Monte Carlo analysis on the parameter space.

12 pages, 8 figures, revised version, accepted for publication in PRD

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• Parametrized modified gravity constraints after Planck
• Weighing Neutrinos in $f(R)$ gravity
• Revisiting f(R) gravity models that reproduce $\Lambda$CDM expansion
• Matter Power Spectra in Viable $f(R)$ Gravity Models with Massive Neutrinos
• Probing Modified Gravity Theories with ISW and CMB Lensing
• Constraint on $f(R)$ Gravity through the Redshift Space Distortion
• Cosmological perturbation theory in Generalized Einstein-Aether models
• Cosmic constraint on massive neutrinos in viable f(R) gravity with producing LCDM background expansion
• Do cosmological data rule out $f(\mathcal{R})$ with $w\ne -1$?
• Revisiting the matter power spectra in $f(R)$ gravity
• Weighing neutrinos in $f(R)$ gravity in light of BICEP2
• The Effective Fluid approach for Modified Gravity and its applications
• An effective fluid description of scalar-vector-tensor theories under the sub-horizon and quasi-static approximations