Dark Matter Constraints from Small-Scale Cosmic Structure

arXiv:2607.28564 · astro-ph.CO, astro-ph.GA, hep-ph · Submitted 2026-07-30 · Read on arXiv

Ethan O. Nadler, Keir K. Rogers, Alex Drlica-Wagner

astro-ph.CO, astro-ph.GA, hep-ph

Submitted: 2026-07-30

Comments: 73 pages, 7 figures, 2 tables; submitted to Reviews of Modern Physics; comments welcome

Code: https://github.com/keirkwame/DarkMatterLimits

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

Terminology

• Abundance — 65× in this paper · explained in 1 episode
• Core — 56× in this paper · explained in 2 episodes
• Matter Power Spectrum — 40× in this paper · explained in 2 episodes
• Weak Lensing — 37× in this paper · explained in 2 episodes
• alpha — 30× in this paper · explained in 1 episode
• Clustering — 27× in this paper · explained in 2 episodes
• Velocity Dispersion — 27× in this paper · explained in 2 episodes
• Gravitational Lensing — 21× in this paper · explained in 2 episodes
• Ab Initio — 17× in this paper · explained in 1 episode
• 21-cm signal — 15× in this paper · explained in 1 episode
• Baryonic Feedback — 12× in this paper · explained in 3 episodes
• N-body simulations — 11× in this paper · explained in 2 episodes
• 21-cm Power Spectrum — 8× in this paper · explained in 1 episode
• AGN — 8× in this paper · explained in 1 episode
• Degeneracy — 8× in this paper · explained in 3 episodes
• Microlensing — 7× in this paper · explained in 2 episodes
• Anisotropy — 6× in this paper · explained in 3 episodes
• Trace — 6× in this paper · explained in 2 episodes
• Benchmark — 5× in this paper · explained in 2 episodes
• Simulation-based Inference — 5× in this paper · explained in 2 episodes
• Sloan Digital Sky Survey — 5× in this paper
• Superradiance — 5× in this paper · explained in 3 episodes
• AGN Feedback — 4× in this paper · explained in 1 episode
• Accuracy — 4× in this paper · explained in 1 episode
• Calibration — 4× in this paper · explained in 7 episodes
• Dark Energy Survey — 4× in this paper
• Alignment — 3× in this paper · explained in 1 episode
• Baryon Oscillation Spectroscopic Survey — 3× in this paper
• Big Bang Nucleosynthesis — 3× in this paper
• Little Red Dots — 3× in this paper · explained in 2 episodes
• Mass Segregation — 3× in this paper · explained in 2 episodes
• Metallicity — 3× in this paper · explained in 3 episodes
• Standard Model — 3× in this paper
• Adam — 2× in this paper · explained in 2 episodes
• Aperture — 2× in this paper · explained in 1 episode
• Bayesian Inference — 2× in this paper · explained in 5 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• Decoupling — 2× in this paper · explained in 2 episodes
• Generative Model — 2× in this paper · explained in 2 episodes
• Hubble Space Telescope — 2× in this paper
• Hubble Tension — 2× in this paper · explained in 9 episodes
• Society of PhotoOptical Instrumentation Engineers — 2× in this paper
• Symmetry Breaking — 2× in this paper · explained in 3 episodes
• Unified Framework — 2× in this paper · explained in 5 episodes
• 21-cm global signal — 1× in this paper · explained in 1 episode
• 21-cm intensity mapping — 1× in this paper · explained in 2 episodes
• AIDA-TNG — 1× in this paper · explained in 1 episode
• Active Learning — 1× in this paper · explained in 6 episodes
• Coherence Length — 1× in this paper · explained in 2 episodes
• Cosmic Linear Anisotropy Solving System — 1× in this paper
• Diffusion Model — 1× in this paper · explained in 8 episodes
• Diffusion Models — 1× in this paper · explained in 6 episodes
• Fidelity — 1× in this paper · explained in 2 episodes
• Forward modeling — 1× in this paper · explained in 2 episodes
• Generalization — 1× in this paper · explained in 13 episodes
• Generative Models — 1× in this paper · explained in 2 episodes
• Higher-order statistics — 1× in this paper · explained in 2 episodes
• James Webb Space Telescope — 1× in this paper
• Legacy Survey of Space and Time — 1× in this paper
• Momentum transfer — 1× in this paper · explained in 2 episodes
• Observational Selection Effects — 1× in this paper · explained in 2 episodes
• Point Clouds — 1× in this paper · explained in 2 episodes
• Robustness — 1× in this paper · explained in 5 episodes
• Small Correlated Against Large Estimator — 1× in this paper
• South Pole Telescope — 1× in this paper
• Spectral Distortions — 1× in this paper · explained in 2 episodes
• Transformer — 1× in this paper · explained in 2 episodes
• Uncertainty Quantification — 1× in this paper · explained in 8 episodes
• Warm Dark Matter (WDM) — 1× in this paper · explained in 3 episodes
• X-ray Quantum Calorimeter — 1× in this paper

Sources

• Sterile neutrinos in cosmology
• DES Y3 + KiDS-1000: Consistent cosmology combining cosmic shear surveys
• Dark Energy Survey Year 6 Results: Cosmological Constraints from Galaxy Clustering and Weak Lensing
• DESI DR2 Results I: Baryon Acoustic Oscillations from the Lyman Alpha Forest
• HERA Phase I Limits on the Cosmic 21-cm Signal: Constraints on Astrophysics and Cosmology During the Epoch of Reionization
• Improved Constraints on the 21 cm EoR Power Spectrum and the X-Ray Heating of the IGM with HERA Phase I Observations
• The Simons Observatory: Science Goals and Forecasts for the Enhanced Large Aperture Telescope
• Semi-Analytic Modeling of Dark Matter Subhalo Encounters with Thin Stellar Streams: Statistical Predictions for GD-1-like Streams in CDM
• Planck 2015 results. XIII. Cosmological parameters
• Constraints on Dark Matter Self-Interactions from weak lensing of galaxies from the Dark Energy Survey around clusters from the Atacama Cosmology Telescope Survey
• Astrophysical Tests of Dark Matter Self-Interactions
• The DESI Experiment Part I: Science,Targeting, and Survey Design
• Planck 2018 results. VI. Cosmological parameters
• New insights on low-mass dark matter subhalo tidal tracks via numerical simulations
• A comprehensive model for the formation and evolution of the faintest Milky Way dwarf satellites
• Snowmass2021 CMB-HD White Paper
• Snowmass2021 Cosmic Frontier Dark Matter Direct Detection to the Neutrino Fog
• Constraints on dark matter-neutrino scattering from the Milky-Way satellites and subhalo modeling for dark acoustic oscillations
• Exact treatment of weak dark matter-baryon scattering for linear-cosmology observables
• Dark Matter from Late Invisible Decays to/of Gravitinos

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