Is Dark Matter Really Matter?

arXiv:2608.04763 · astro-ph.CO, gr-qc, hep-th · Submitted 2026-08-05 · Read on arXiv

astro-ph.CO, gr-qc, hep-th

Submitted: 2026-08-05

Updated: 2026-09-21

Comments: 7+6 pages, 6 figures

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

Terminology

• Quintessence — 6× in this paper · explained in 2 episodes
• Clustering — 5× in this paper · explained in 2 episodes
• Decoupling — 3× in this paper · explained in 2 episodes
• Degeneracy — 3× in this paper · explained in 3 episodes
• Anisotropy — 2× in this paper · explained in 3 episodes
• Calibration — 2× in this paper · explained in 7 episodes
• alpha — 2× in this paper · explained in 1 episode
• Abundance — 1× in this paper · explained in 1 episode
• Bayesian Framework — 1× in this paper · explained in 3 episodes
• Gravitational Lensing — 1× in this paper · explained in 2 episodes
• Matter Power Spectrum — 1× in this paper · explained in 2 episodes
• Metastability — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Velocity Dispersion — 1× in this paper · explained in 2 episodes

Sources

• DESI 2024 VI: Cosmological Constraints from the Measurements of Baryon Acoustic Oscillations
• DESI DR2 Results II: Measurements of Baryon Acoustic Oscillations and Cosmological Constraints
• DESI 2024: Reconstructing Dark Energy using Crossing Statistics with DESI DR1 BAO data
• DESI 2024: Constraints on Physics-Focused Aspects of Dark Energy using DESI DR1 BAO Data
• Extended Dark Energy analysis using DESI DR2 BAO measurements
• Metastability in Emergent Dark Energy: A New Framework Confronting Cosmological Observations
• Can dark energy evolve to the Phantom?
• Dark-Energy Evolution Across the Cosmological-Constant Boundary
• Crossing the Phantom Divide with Parameterized Post-Friedmann Dark Energy
• Cosmographic Degeneracy
• The dark degeneracy: On the number and nature of dark components
• Unified dark fluid with null sound speed as an alternative to phantom dark energy
• Equation of State of Dark Matter after Planck Data
• Observational constraints on variable equation of state parameters of dark matter and dark energy after Planck
• Structure Formation with Generalized Dark Matter
• The Dark Matter equation of state through cosmic history
• Observational Constraints on generalized dark matter properties in the presence of neutrinos with the final Planck release
• Observational constraints on noncold dark matter and phenomenological emergent dark energy
• Observational constraints on phenomenological emergent dark energy and barotropic dark matter characterized by a constant equation of state parameter
• The matter with(in) CPL

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