Testing $F(Q)$ gravity with redshift space distortions

Abstract

A Bayesian statistical analysis using redshift space distortions data is performed to test a model of Symmetric Teleparallel Gravity where gravity is non-metrical. The cosmological background mimics a $\Lambda$CDM evolution but differences arise in the perturbations. The linear matter fluctuations are numerically evolved and the study of the growth rate of structures is analysed in this cosmological setting. The best fit parameters reveal that the ${\sigma }_8$ tension between Planck and Large Scale Structure data can be alleviated within this framework.

6 pages, 5 figures

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• General covariant symmetric teleparallel cosmology
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• New models and Big Bang Nucleosynthesis constraints in $f(Q)$ gravity
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• Fitting $f(Q,T)$ gravity models with a $\Lambda$CDM limit using H(z) and Pantheon data
• Reconstructing isotropic and anisotropic $f(\mathcal{Q})$ cosmologies
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• On the non metrizability of Berwald Finsler spacetimes
• Phase-space analysis of the viscous fluid cosmological models in the coincident $f(Q)$ gravity
• Periodic cosmic evolution in $f(Q)$ gravity formalism
• Study of Viable Compact Stellar Structures in Non-Riemannian Geometry
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• Observational Constraints and Cosmographic Analysis of $f(T,T_G)$ Gravity and Cosmology
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