A Novel Implementation of Self-Interacting Dark Matter in AREPO

arXiv:2607.05504 · astro-ph.CO, astro-ph.HE, hep-ph, hep-th · Submitted 2026-07-06 · Read on arXiv

astro-ph.CO, astro-ph.HE, hep-ph, hep-th

Submitted: 2026-07-06

Updated: 2026-07-06

Comments: 24 pages, 19 figures

Code: https://github.com/vinh-qtran/SoftIsoICs

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

Terminology

• Core — 70× in this paper · explained in 2 episodes
• Boltzmann Equation — 10× in this paper · explained in 2 episodes
• Benchmark — 9× in this paper · explained in 2 episodes
• AIDA-TNG — 8× in this paper · explained in 1 episode
• Accuracy — 7× in this paper · explained in 1 episode
• Consistency — 6× in this paper · explained in 3 episodes
• Calibration — 5× in this paper · explained in 7 episodes
• Velocity Dispersion — 5× in this paper · explained in 2 episodes
• Verification — 3× in this paper · explained in 2 episodes
• Trace — 2× in this paper · explained in 2 episodes
• Abstraction — 1× in this paper · explained in 1 episode
• Abundance — 1× in this paper · explained in 1 episode
• Adam — 1× in this paper · explained in 2 episodes
• Algorithmic Improvements — 1× in this paper · explained in 1 episode
• Computational overhead — 1× in this paper · explained in 2 episodes
• Gravitational Lensing — 1× in this paper · explained in 2 episodes
• Matter Power Spectrum — 1× in this paper · explained in 2 episodes
• Momentum transfer — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Self-consistency — 1× in this paper · explained in 2 episodes

Sources

• Self-interacting dark matter in the center of a Local Group dwarf galaxy and its satellites
• A New Robust Constraint on the Self-interaction Cross-section of Dark Matter with Double Radio Relic Clusters
• Strong-lensing Perturber Signatures in Self-interacting Dark Matter Simulations
• First-Principles Formalism for Simulating Self-Interacting Dark Matter
• SHH method for SIDM: An SIDM-hydro hybrid method for simulating self-interacting dark matter
• Massive Black Holes Seeded by Dark Matter -- Implications for Little Red Dots and Gravitational Wave Signatures
• The Lumina Project: The Demographics of Active Galactic Nuclei from Quasars to Little Red Dots at $z\geq 3$
• Introducing the Lumina project: large-volume radiation-hydrodynamic simulations of the epochs of hydrogen and helium reionization

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