Quintessential inflation with canonical and noncanonical scalar fields and Planck 2015 results

Abstract

We investigate two classes of models of quintessential inflation, based upon canonical as well as noncanonical scalar fields. In particular, introducing potentials steeper than the standard exponential, we construct models that can give rise to a successful inflationary phase, with signatures consistent with Planck 2015 results. Additionally, using nonminimal coupling of the scalar field with massive neutrino matter, we obtain the standard thermal history of the Universe, with late-time cosmic acceleration as the last stage of evolution. In both cases, inflation and late-time acceleration are connected by a tracker solution.

13 pages, 18 figures, minor clarifications added and refs updated, to appear in PRD

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• Unified early and late Universe cosmology through dissipative effects in steep quintessential inflation potential models
• Quintessential Inflation in a thawing realization
• Logamediate Inflation in f(T) Teleparallel Gravity
• Quintessential inflation at low reheating temperatures
• Swampland dS conjecture in Mimetic $f(R,T)$ gravity
• Quintessential Inflation from Lorentzian Slow Roll
• The Peebles -- Vilenkin quintessential inflation model revisited
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• A new take on the inflationary quintessence
• Schwinger-Keldysh mechanism in extended quasi single field inflation
• Constraining the quintessential $\alpha$-attractor inflation through dynamical horizon exit method
• Quintessential inflation: A unified scenario of inflation and dark energy