Close Pulsar Pairs See Dark Matter Substructure through the Gravitational-Wave Background

arXiv:2609.38305 · astro-ph.CO, hep-ph · Submitted 2026-09-29 · Read on arXiv

astro-ph.CO, hep-ph

Submitted: 2026-09-29

Updated: 2026-09-29

Terminology

• Benchmark — 22× in this paper · explained in 2 episodes
• Core — 9× in this paper · explained in 2 episodes
• pulsar timing arrays — 5× in this paper · explained in 2 episodes
• Abundance — 2× in this paper · explained in 1 episode
• Generalization — 2× in this paper · explained in 13 episodes
• Karlsruhe Institute of Technology — 2× in this paper
• Signal-to-noise ratio (SNR) — 2× in this paper · explained in 2 episodes
• Anisotropy — 1× in this paper · explained in 3 episodes
• Clustering — 1× in this paper · explained in 2 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Frequency Dependence — 1× in this paper · explained in 2 episodes
• Square Kilometre Array — 1× in this paper
• Supplemental Material — 1× in this paper
• Weak Lensing — 1× in this paper · explained in 2 episodes

Sources

• The first WIMPy halos
• Axion Miniclusters and Bose Stars
• Astrophysical Effects of Scalar Dark Matter Miniclusters
• Early-Universe Simulations of the Cosmological Axion
• First Simulations of Axion Minicluster Halos
• Simulations of Axion Minihalos
• Reionization and the abundance of galactic satellites
• The Effects of Photoionization on Galaxy Formation - I: Model and Results at z=0
• Small-Scale Challenges to the $\Lambda$CDM Paradigm
• Milky Way Satellite Census. II. Galaxy--Halo Connection Constraints Including the Impact of the Large Magellanic Cloud
• Warm dark matter chills out: constraints on the halo mass function and the free-streaming length of dark matter with 8 quadruple-image strong gravitational lenses
• Strong gravitational lensing as a probe of dark matter
• Structure Formation and Microlensing with Axion Miniclusters
• Discovering Substellar Dark Matter Halos with Astrometric Weak Lensing of Multiply Imaged Quasars
• Probing Dark Matter Substructure with Pulsar Timing
• Prospects for Detecting Dark Matter Halo Substructure with Pulsar Timing
• Investigating dark matter substructure with pulsar timing: I. Constraints on ultracompact minihalos
• Pulsar timing can constrain primordial black holes in the LIGO mass window
• Detectability of Small-Scale Dark Matter Clumps with Pulsar Timing Arrays
• Pulsar Timing Probes of Primordial Black Holes and Subhalos

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