The Lumina Project: Intergalactic Clumping and Recombination Sinks

arXiv:2606.18382 · astro-ph.GA, astro-ph.CO · Submitted 2026-06-16 · Read on arXiv

Ali Sadain, Aaron Smith, Oliver Zier, Hyunbae Park, Teodora-Elena Bulichi, Xuejian Shen, Rahul Kannan, Rongrong Liu, Yuan Bian, Volker Springel, Mark Vogelsberger, Sonja M. Koehler, Lars Hernquist

astro-ph.GA, astro-ph.CO

Submitted: 2026-06-16

Comments: 23 pages, 15 figures, 2 tables. Submitted to OJA. Please visit https://lumina-simulation.com for more details

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

Terminology

• Abundance — 5× in this paper · explained in 1 episode
• Trace — 4× in this paper · explained in 2 episodes
• AGN — 3× in this paper · explained in 1 episode
• Non-equilibrium Thermochemistry — 3× in this paper · explained in 2 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• Clustering — 2× in this paper · explained in 2 episodes
• Accretion Shock — 1× in this paper · explained in 1 episode
• Homogeneity — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Stellar Feedback — 1× in this paper · explained in 2 episodes

Sources

• The THESAN project: Lyman-alpha intensity mapping of cosmic reionization
• Introducing SAGUARO -- Simulating IGM Evolution and Environments At High Resolution: Setup and First Results
• The Predicament of Absorption-dominated Reionization II: Observational Estimate of the Clumping Factor at the End of Reionization
• The Lumina Project: The Demographics of Active Galactic Nuclei from Quasars to Little Red Dots at $z\geq 3$
• The Lumina Project: CMB Optical Depth Fluctuations from Patchy Reionization
• Introducing the Lumina project: large-volume radiation-hydrodynamic simulations of the epochs of hydrogen and helium reionization

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