Quintessential inflation at low reheating temperatures

Abstract

We have tested some simple quintessential inflation models, imposing that they match with the recent observational data provided by the BICEP and Planck's team and leading to a reheating temperature, which is obtained via gravitational particle production after inflation, supporting the nucleosynthesis success. Moreover, for the models coming from supergravity one needs to demand low temperatures in order to avoid problems such as the gravitino overproduction or the gravitational production of moduli fields, which are obtained only when the reheating temperature is due to the production of massless particles with a coupling constant very close to its conformal value.

21 pages, 10 figures. Version accepted for publication in EPJC

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• A Study of an Einstein Gauss-Bonnet Quintessential Inflationary Model
• $\alpha$ attractors in Quintessential Inflation motivated by Supergravity
• Quintessential inflation and cosmological seesaw Mechanism: reheating and observational constraints
• Understanding gravitational particle production in quintessential inflation
• The Peebles -- Vilenkin quintessential inflation model revisited
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• Reheating via gravitational particle production in kination epoch
• A universal bound on the duration of a kination era
• Gauge Field Production and Schwinger Reheating in Runaway Axion Inflation
• Constraining the quintessential $\alpha$-attractor inflation through dynamical horizon exit method
• Quintessential Inflation for Exponential Type Potentials: Scaling and Tracker Behavior
• The spectrum of Gravitational Waves, their overproduction in quintessential inflation and its influence in the reheating temperature
• Gravitational particle production of superheavy massive particles in Quintessential Inflation: A numerical analysis
• Reheating constraints and the $H_0$ tension in Quintessential Inflation
• Reheating in the kination epoch via multi-channel decay of gravitationally created massive scalars
• Hill-climbing dark inflation
• Reheating via gravitational particle production in simple models of quintessence or $\Lambda$CDM inflation
• Kination cosmology from scalar fields and gravitational-wave signatures