Cosmological constant problem: Deflation during inflation

Canales F.

Abstract

We argue that the discrepancy between the Planck mass scale and the observed value of the cosmological constant can be largely attenuated, if those quantities are understood as a result of effective, and thus scale-dependent, couplings. We exemplify this mechanism for the early inflationary epoch of the universe by solving the corresponding effective gap equations, subject to an energy condition. Several non-trivial checks and extensions are discussed. A comparison of our results to the renormalization group flow, obtained within the asymptotic safety program reveals a stunning agreement.

Más información

Título de la Revista: Journal of Cosmology and Astroparticle Physics
Volumen: 2020
Número: 1
Editorial: Institute of Physics
Fecha de publicación: 2020
Idioma: English
DOI:

10.1088/1475-7516/2020/01/021