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Observational Constraints in Metric-Affine Gravity

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arxiv 2103.12036 v2 pith:LLUICBXV submitted 2021-03-22 gr-qc astro-ph.HE

Sebastian Bahamonde , Jorge Gigante Valcarcel This is my paper · ORCID
classification gr-qcastro-ph.HE
keywords gravitygravitationalmetric-affinechargesclassicalcollaborationconstrainconstraints
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We derive the main classical gravitational tests for a recently found vacuum solution with spin and dilation charges in the framework of Metric-Affine gauge theory of gravity. Using the results of the perihelion precession of the star S2 by the GRAVITY collaboration and the gravitational redshift of Sirius B white dwarf we constrain the corrections provided by the torsion and nonmetricity fields for these effects.

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Cited by 1 Pith paper

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  1. Geometric formulation of $k$-essence and late-time acceleration

    gr-qc 2025-05 conditional novelty 6.0 of 10

    Integrable vectorial nonmetricity gravity is shown to be equivalent to purely kinetic quadratic k-essence, which fits late-time data as well as ΛCDM.

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