Can f ( Q ) gravity challenge Λ CDM ?

We study observational constraints on the nonmetricity f (Q) -gravity which reproduces an exact Λ CDM background expansion history while modifying the evolution of linear perturbations. To this purpose we use cosmic microwave background (CMB) radiation, baryonic acoustic oscillations (BAO), redshift...

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Bibliographic Details
Published in:Physical review. D 2021-09, Vol.104 (6), p.1, Article 064052
Main Authors: Atayde, Luís, Frusciante, Noemi
Format: Article
Language:English
Subjects:
Chi-square test
Clustering
Constraint modelling
Cosmic microwave background
Gravitational lenses
Parameter modification
Perturbation
Red shift
Statistical tests
Supernovae
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