Nov 26 – 30, 2018
America/Lima timezone
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Scale-dependent FLRW Cosmology

Nov 29, 2018, 4:30 PM
Room N101, McGregor Building (PUCP)

Room N101, McGregor Building


Parallel Talk (Theory) Cosmology Parallel Talks B


Mr Angel Rincon (Pontificia Universidad Catolica de Chile)


In the present work, we investigate the scale-dependence of the FLRW cosmology at the level of the effective action in the presence of a cosmological constant. We promote the classical parameters of the theory, $\{G_0, (\cdots)_0 \}$, to scale-dependent couplings, $\{G_k, (\cdots)_k\}$, and then we solve the corresponding effective Einstein's field equations. To close the system of equations we impose the "null energy condition". Furthermore, perfect-fluid like parameters are induced via the scale-dependent gravitational coupling. Finally, to exemplify the effect of the running of the couplings on the properties of the scale-dependent FLRW solution in the underlying theory, we present a few concrete examples.

Primary author

Mr Angel Rincon (Pontificia Universidad Catolica de Chile)


Mr Felipe Contreras (Pontificia Universidad Catolica de Chile) Prof. Benjamin Koch (Pontificia Universidad Catolica de Chile)

Presentation materials