The generalized evolution of linear bias: a tool to test gravity

Abstract

We derive an exact analytical solution for the redshift evolution of linear and scale-independent bias, by solving a second order differential equation based on linear perturbation theory. This bias evolution model is applicable to all different types of dark energy and modified gravity models. We propose that the combination of the current bias evolution model with data on the bias of extragalactic mass tracers could provide an efficient way to discriminate between "geometrical" dark energy models and dark energy models that adhere to general relativity.

5 pages, 1 figure, accepted for publication by Physical Review D

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Cited by in corpus (8)

• Testing General Relativity at Cosmological Scales: Implementation and Parameter Correlations
• A Strategy to Measure the Dark Energy Equation of State using the HII galaxy Hubble Relation & X-ray AGN Clustering: Preliminary Results
• Precision growth index using the clustering of cosmic structures and growth data
• A Consistent Comparison of Bias Models using Observational Data
• Probing gravity with redshift-space distortions: effects of tracer bias and sample selection
• Testing General Relativity Using the Evolution of Linear Bias
• Comparison of the linear bias models in the light of the Dark Energy Survey
• Comparison of the spatial and the angular clustering of X-ray AGN