Nexus-CDM: Isolated Galaxy Simulations with Cosmologically Evolving Dark-Matter Halos I. Method and Validation

arXiv:2609.15002 · astro-ph.GA · Submitted 2026-09-14 · Read on arXiv

astro-ph.GA

Submitted: 2026-09-14

Updated: 2026-09-14

Comments: Submitted to MNRAS; comments and pointers to missing references welcome

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

Terminology

• Benchmark — 89× in this paper · explained in 2 episodes
• Velocity Dispersion — 16× in this paper · explained in 2 episodes
• Accuracy — 7× in this paper · explained in 1 episode
• Stellar Feedback — 4× in this paper · explained in 2 episodes
• Alignment — 3× in this paper · explained in 1 episode
• Fidelity — 3× in this paper · explained in 2 episodes
• Metallicity — 3× in this paper · explained in 3 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• Momentum transfer — 2× in this paper · explained in 2 episodes
• Redundancy — 2× in this paper · explained in 2 episodes
• Verification — 2× in this paper · explained in 2 episodes
• Angular Error — 1× in this paper · explained in 1 episode
• Cooperation — 1× in this paper · explained in 2 episodes
• Reconstruction Error — 1× in this paper · explained in 2 episodes

Sources

• Birth of the Galactic Disk Revealed by the H3 Survey
• The Baryonic Mass-Halo Mass Relation of Extragalactic Systems
• From protogalaxy through thick and thin: Why did the Milky Way evolve in three kinematic phases?
• How Do Disk Galaxies Form?

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