Baryoid Dark Matter from Z N Domain Walls: The (N-1):1 origin of the dark matter-baryon coincidence

arXiv:2605.13958 · hep-ph, astro-ph.CO · Submitted 2026-05-13 · Read on arXiv

hep-ph, astro-ph.CO

Submitted: 2026-05-13

Updated: 2026-09-10

Comments: 46 pages, 6 figures

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

Terminology

• Domain Walls — 69× in this paper · explained in 2 episodes
• Microlensing — 19× in this paper · explained in 2 episodes
• Benchmark — 14× in this paper · explained in 2 episodes
• Abundance — 13× in this paper · explained in 1 episode
• Degeneracy — 12× in this paper · explained in 3 episodes
• Symmetry Breaking — 4× in this paper · explained in 3 episodes
• Trace — 3× in this paper · explained in 2 episodes
• Phase Transitions — 2× in this paper · explained in 2 episodes
• Adam — 1× in this paper · explained in 2 episodes
• Big Bang Nucleosynthesis — 1× in this paper
• Consistency — 1× in this paper · explained in 3 episodes
• Core — 1× in this paper · explained in 2 episodes
• Desert Fireball Network — 1× in this paper
• Fine-Tuning — 1× in this paper · explained in 5 episodes
• Gravitational Lensing — 1× in this paper · explained in 2 episodes
• Homogeneity — 1× in this paper · explained in 2 episodes
• In the Standard Model — 1× in this paper
• Momentum transfer — 1× in this paper · explained in 2 episodes
• Topological Defects — 1× in this paper · explained in 2 episodes
• Verification — 1× in this paper · explained in 2 episodes

Sources

• Planck 2018 results. VI. Cosmological parameters
• Review of asymmetric dark matter
• The Scale of Dark QCD
• Explaining the cosmological dark matter coincidence in asymmetric dark QCD
• A Dynamical Explanation of the Dark Matter-Baryon Coincidence
• Predicting the Dark Matter -- Baryon Abundance Ratio
• The QCD phase transition with physical-mass, chiral quarks
• Approaching Stable Quark Matter
• QCD Vacuum Energy and Its Implication for Quark Nugget Stability
• Quark matter may not be strange
• Six Flavor Quark Matter
• Cosmological Constraints on First-Order Phase Transitions
• Does NANOGrav observe a dark sector phase transition?
• QCD-Collapsed Domain Walls: QCD Phase Transition and Gravitational Wave Spectroscopy
• $\theta$-dependence of light nuclei and nucleosynthesis
• Extending the velocity-dependent one-scale model for domain walls
• Axion cosmology with long-lived domain walls
• Axion dark matter from topological defects
• Putting the Brakes on Axion Strings: Friction and Its Impact on the QCD Axion Abundance
• Friction on ALP domain walls and gravitational waves

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