The art of simulating the early Universe. Part III: Scalar-Gauge-Fluid Dynamics

arXiv:2607.27141 · astro-ph.CO · Submitted 2026-07-29 · Read on arXiv

Daniel G. Figueroa, Kenneth Marschall, Antonino S. Midiri, Alberto Roper Pol

astro-ph.CO

Submitted: 2026-07-29

Comments: 78 pages, 2 appendices

Project page: http://www.cosmolattice.com

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

Terminology

• Trace — 29× in this paper · explained in 2 episodes
• Accuracy — 28× in this paper · explained in 1 episode
• Bulk Viscosity — 13× in this paper · explained in 2 episodes
• Core — 9× in this paper · explained in 2 episodes
• Phase Transitions — 7× in this paper · explained in 2 episodes
• Lattice Cosmology Techniques — 4× in this paper
• Conservation Laws — 3× in this paper · explained in 3 episodes
• Equation of State (EoS) — 3× in this paper · explained in 4 episodes
• Boltzmann Equation — 2× in this paper · explained in 2 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• Decoupling — 2× in this paper · explained in 2 episodes
• Higher-order derivatives — 2× in this paper · explained in 2 episodes
• Domain Walls — 1× in this paper · explained in 2 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Homogeneity — 1× in this paper · explained in 2 episodes
• Magnetohydrodynamics (MHD) — 1× in this paper · explained in 3 episodes
• Primordial Magnetic Fields — 1× in this paper · explained in 2 episodes
• Reheating — 1× in this paper · explained in 2 episodes

Sources

• The art of simulating the early Universe -- Part I
• The art of simulating the early Universe. Part II. Non-canonical cases & gravitational waves
• Planck 2018 results. I. Overview and the cosmological legacy of Planck
• Planck 2018 results. VI. Cosmological parameters
• Planck 2018 results. X. Constraints on inflation
• Quantum theory of fermion production after inflation
• Curvaton Decay by Resonant Production of the Standard Model Higgs
• The Decay of the Standard Model Higgs after Inflation
• Lattice calculation of non-Gaussianity from preheating
• Non-Gaussian Spikes from Chaotic Billiards in Inflation Preheating
• Gauge field production in SUGRA inflation: local non-Gaussianity and primordial black holes
• The primordial curvature perturbation from lattice simulations
• Lighting the Dark: The Evolution of the Post-Inflationary Universe
• Metric preheating and radiative decay in single-field inflation
• Gauge preheating with full general relativity
• Analytic Description of Primordial Black Hole Formation from Scalar Field Fragmentation
• Primordial black holes from the preheating instability
• Primordial Black Holes from Inflaton Fragmentation into Oscillons
• The Spectrum of Gravitational Radiation from Primordial Turbulence
• The stochastic gravitational wave background from turbulence and magnetic fields generated by a first-order phase transition

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