Observing Cosmic Reheating with the expanded Simons Observatory

arXiv:2606.12519 · astro-ph.CO, hep-ph · Submitted 2026-06-10 · Read on arXiv

astro-ph.CO, hep-ph

Submitted: 2026-06-10

Updated: 2026-06-10

Comments: 14 pages, 15 figures

DOI: 10.1103/g7l3-d9w8

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Reheating — 62× in this paper · explained in 2 episodes
• Benchmark — 24× in this paper · explained in 2 episodes
• Simons Observatory — 11× in this paper
• Aperture — 6× in this paper · explained in 1 episode
• Homogeneity — 2× in this paper · explained in 2 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Bispectrum — 1× in this paper · explained in 3 episodes
• Cosmic Microwave Background — 1× in this paper
• Information Gain — 1× in this paper · explained in 2 episodes
• Phase Transitions — 1× in this paper · explained in 2 episodes
• Universality Class — 1× in this paper · explained in 2 episodes

Sources

• The Cosmological Parameters (2025)
• Encyclopaedia Inflationaris
• Cosmic Inflation at the Crossroads
• Universe Reheating after Inflation
• Reheating after Inflation
• Analytic and Numerical Study of Preheating Dynamics
• Towards the Theory of Reheating After Inflation
• Reconstructing the Inflaton Potential --- an Overview
• First CMB Constraints on the Inflationary Reheating Temperature
• Inflation and the Scale Dependent Spectral Index: Prospects and Strategies
• Reheating temperature from the CMB
• Bayesian Analysis of Inflation II: Model Selection and Constraints on Reheating
• Reheating constraints to inflationary models
• What can the CMB tell about the microphysics of cosmic reheating?
• Shortcomings of New Parametrizations of Inflation
• Observing the Inflationary Reheating
• Information Gain on Reheating: the One Bit Milestone
• How Well Can Future CMB Missions Constrain Cosmic Inflation?
• Measuring the Inflaton Coupling in the CMB
• CMB-S4: Forecasting Constraints on Primordial Gravitational Waves

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