Speaker
Eduardo Guendelman
(Ben Gurion University)
Description
A scale invariant gravity theory containing two scalar fields, dust particles and a measure defined from degrees of freedom independent of the metric. The integration of the degrees of freedom that define the measure spontaneously break the scale symmetry, leaving us in the Einstein frame with an effective potential that is dependent on the density of the particles. The potential contains three flat regions, one for inflation, another for early dark energy and the third for late dark energy. At a certain point, as the matter dilutes, tunneling from the early dark energy to the late dark energy can start efficiently. This scenario can resolve the H0 tension.
Primary authors
Eduardo Guendelman
(Ben Gurion University)
Prof.
Pedro Labraña
(Universidad del Bio Bio)
Prof.
Ramon Herrera
(Pontificia Universidad Catolica de Valparaiso)
