Statefinder analysis of scale-dependent cosmology

Pedro D. Alvarez; Benjamin Koch; Cristobal Laporte; Felipe Canales; Ángel Rincón

doi:10.1088/1475-7516/2022/10/071

Statefinder analysis of scale-dependent cosmology

Pedro D. Alvarez, Benjamin Koch, Cristobal Laporte, Felipe Canales, Ángel Rincón

Resultado de la investigación: Contribución a una revista › Artículo › revisión exhaustiva

Resumen

We study the statefinder parameters of a cosmological model based on scale-dependent gravity. The effective Einstein field equations come from an average effective action. From the dynamical system, we derive analytical expressions that improve the convergence of the numerical solutions. We determine the statefinder parameters for moderate redshift and compare them with well-known alternatives to ΛCDM.

Idioma original	Inglés
Número de artículo	071
Publicación	Journal of Cosmology and Astroparticle Physics
Volumen	2022
N.º	10
DOI	https://doi.org/10.1088/1475-7516/2022/10/071
Estado	Publicada - 1 oct. 2022
Publicado de forma externa	Sí

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10.1088/1475-7516/2022/10/071

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abstract = "We study the statefinder parameters of a cosmological model based on scale-dependent gravity. The effective Einstein field equations come from an average effective action. From the dynamical system, we derive analytical expressions that improve the convergence of the numerical solutions. We determine the statefinder parameters for moderate redshift and compare them with well-known alternatives to ΛCDM.",

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AU - Alvarez, Pedro D.

AU - Koch, Benjamin

AU - Laporte, Cristobal

AU - Canales, Felipe

AU - Rincón, Ángel

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AB - We study the statefinder parameters of a cosmological model based on scale-dependent gravity. The effective Einstein field equations come from an average effective action. From the dynamical system, we derive analytical expressions that improve the convergence of the numerical solutions. We determine the statefinder parameters for moderate redshift and compare them with well-known alternatives to ΛCDM.

KW - cosmology of theories beyond the SM

KW - gravity

KW - modified gravity

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JO - Journal of Cosmology and Astroparticle Physics

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Statefinder analysis of scale-dependent cosmology

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