Ab Initio Cosmological Simulations: From Inflation to Present-Day Structure Formation

arXiv:2607.28800 · astro-ph.CO, gr-qc · Submitted 2026-07-30 · Read on arXiv

Drew Jamieson, Angelo Caravano, Eiichiro Komatsu

astro-ph.CO, gr-qc

Submitted: 2026-07-30

Comments: 10 pages, 4 figures

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

Terminology

• Bispectrum — 14× in this paper · explained in 3 episodes
• Ab Initio — 5× in this paper · explained in 1 episode
• Abundance — 4× in this paper · explained in 1 episode
• Non-Gaussianity — 4× in this paper · explained in 2 episodes
• Matter Power Spectrum — 3× in this paper · explained in 2 episodes
• Adaptive Lattice Evolved Fields — 1× in this paper
• Clustering — 1× in this paper · explained in 2 episodes
• Higher-order statistics — 1× in this paper · explained in 2 episodes
• Little Red Dots — 1× in this paper · explained in 2 episodes
• Primordial non-Gaussianity — 1× in this paper · explained in 2 episodes
• Reheating — 1× in this paper · explained in 2 episodes
• Simulation-based Inference — 1× in this paper · explained in 2 episodes

Sources

• First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Determination of Cosmological Parameters
• Cosmological parameters from SDSS and WMAP
• Planck 2018 results. VI. Cosmological parameters
• Results from the Wilkinson Microwave Anisotropy Probe
• Non-Gaussianity from Inflation: Theory and Observations
• Non-Gaussian features of primordial fluctuations in single field inflationary models
• Primordial Non-Gaussianities from Inflation Models
• Primordial non-Gaussianity from the large scale structure
• Hunting for Primordial Non-Gaussianity in the Cosmic Microwave Background
• Cosmology at Low Frequencies: The 21 cm Transition and the High-Redshift Universe
• First Results from HERA Phase II
• An Effective Bias Expansion for 21 cm Cosmology in Redshift Space
• Bayesian field-level inference of primordial non-Gaussianity using next-generation galaxy surveys
• How much information can be extracted from galaxy clustering at the field level?
• Field-Level Inference of Primordial Non-Gaussianity with the Quijote Simulation Suite
• Naturally inflating on steep potentials through electromagnetic dissipation
• Gauge Fields and Inflation
• A review of Axion Inflation in the era of Planck
• Lattice Simulations of Axion-U(1) Inflation
• The strong backreaction regime in axion inflation

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