Inflation (2025)
Cosmology and Nongalactic Astrophysics
2026-03-03 v2 High Energy Physics - Phenomenology
High Energy Physics - Theory
Abstract
This is a review article for The Review of Particle Physics 2026 (aka the Particle Data Book), appearing as Chapter 23. It forms a compact review of our understanding of cosmological inflation near the end of 2025. Topics included are Scalar Field Cosmology; Primordial Perturbations from Inflation; Models; Model Comparison; Constraints on Reheating; Beyond Single-Field Inflation; Initial-conditions and Fine-tuning; Future Probes of Inflation.
Keywords
Cite
@article{arxiv.2312.13238,
title = {Inflation (2025)},
author = {John Ellis and Vincent Vennin and David Wands},
journal= {arXiv preprint arXiv:2312.13238},
year = {2026}
}
Comments
35 pages, 5 figures. Article for The Review of Particle Physics 2026 (aka the Particle Data Book), on-line version at https://pdg.lbl.gov/