Unified early and late Universe cosmology through dissipative effects in steep quintessential inflation potential models

By making use of a class of a steep exponential type of potentials, which has been recently used to describe quintessential inflation, we show how a unified picture for inflation, dark energy, and dark matter can emerge entirely through dissipative effects. Dissipation provides a way to extend the a...

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Bibliographic Details
Published in:Physical review. D 2019-12, Vol.100 (12), p.1, Article 123529
Main Authors: Lima, Gustavo B. F., Ramos, Rudnei O.
Format: Article
Language:English
Subjects:
Astronomical models
Cosmological constant
Cosmology
Dark energy
Dark matter
Potential energy
Universe
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Summary:By making use of a class of a steep exponential type of potentials, which has been recently used to describe quintessential inflation, we show how a unified picture for inflation, dark energy, and dark matter can emerge entirely through dissipative effects. Dissipation provides a way to extend the applicability of a larger class of these potentials in the sense of leading to a consistent early Universe inflationary picture and producing observables in agreement with the Planck legacy data. Likewise, dissipative effects lead to dark matter production with consistent abundances and, toward the recent time of the Universe, drives the potential energy of the scalar quintessential field to dominate again, essentially mimicking a cosmological constant by today, with all cosmological parameters consistent with the observations. Both early and late Universes are connected and have no kination period in between.
ISSN:2470-0010
2470-0029
DOI:10.1103/PhysRevD.100.123529