ACT-DR6 consistent inflation in generalised entropic cosmology and f(Q) gravity

arXiv:2607.06582 · gr-qc, astro-ph.CO, hep-th · Submitted 2026-07-04 · Read on arXiv

Shin'ichi Nojiri, Sergei D. Odintsov

gr-qc, astro-ph.CO, hep-th

Submitted: 2026-07-04

Comments: LaTeX 24 pages

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

Terminology

• Reheating — 9× in this paper · explained in 2 episodes
• Atacama Cosmology Telescope — 6× in this paper
• Apparent Horizon — 2× in this paper · explained in 1 episode
• Consistency — 2× in this paper · explained in 3 episodes
• Entanglement — 1× in this paper · explained in 3 episodes
• Entanglement Entropy — 1× in this paper · explained in 2 episodes
• Equation of State (EoS) — 1× in this paper · explained in 4 episodes
• Inverse Problem — 1× in this paper · explained in 2 episodes

Sources

• The Atacama Cosmology Telescope: DR6 Maps
• The Atacama Cosmology Telescope: DR6 Constraints on Extended Cosmological Models
• The CosmoVerse White Paper: Addressing observational tensions in cosmology with systematics and fundamental physics
• The Atacama Cosmology Telescope: DR6 Power Spectra, Likelihoods and $\Lambda$CDM Parameters
• Planck 2018 results. X. Constraints on inflation
• Planck 2013 results. XXII. Constraints on inflation
• Planck 2015 results. XX. Constraints on inflation
• Revisiting the Lyth bound constraints on inflation from ACT DR6 results
• Nonminimal couplings and preheating effects in $R^2$-Higgs inflation after ACT and SPT
• ACT Data and Positive Running of the Spectral Index for Scalar Theory and Modified Gravity
• Constraints on non-canonical chaotic inflation from ACT DR6 and BICEP/Keck data
• Numerical Study of Some Generalizations of the Starobinsky Inflationary Model
• Robustness of Starobinsky inflation in a minimal two-field scalar-tensor completion
• Constraining Quintessential Inflation with ACT: A Gauss-Bonnet Gateway
• Radiatively Corrected Hybrid Inflation: Parameter Scans and Machine Learning with ACT and Future CMB Experiments
• On gravitational baryogenesis in inflationary f(R) Cosmologies
• Constraining $\beta$-Exponential Inflation with the latest ACT observations
• Warm Hybrid Axion Inflation in $\alpha$-Attractor Models Constrained by ACT and Future Plan experiments
• DeepInflation: an AI agent for research and model discovery of inflation
• Ghost-free non-local $F(R)$ Gravity Compatible with ACT

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