Constraining dark matter self-interaction from kinetic heating in neutron stars

arXiv:2604.21652 · hep-ph, astro-ph.GA · Submitted 2026-04-23 · Read on arXiv

hep-ph, astro-ph.GA

Submitted: 2026-04-23

Updated: 2026-09-10

Comments: 21 pages and 6 figures. Latest version matches the published version

Journal ref: Phys. Rev. D 114, 063021 (2026)

DOI: 10.1103/fwrs-w77m

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

Terminology

• Core — 17× in this paper · explained in 2 episodes
• James Webb Space Telescope — 4× in this paper
• Thirty Meter Telescope — 4× in this paper
• Benchmark — 2× in this paper · explained in 2 episodes
• Consistency — 1× in this paper · explained in 3 episodes
• Degeneracy — 1× in this paper · explained in 3 episodes
• Gravitational Lensing — 1× in this paper · explained in 2 episodes
• N-body simulations — 1× in this paper · explained in 2 episodes
• PandaX and LUX-ZEPLIN — 1× in this paper
• Reheating — 1× in this paper · explained in 2 episodes
• Velocity Dispersion — 1× in this paper · explained in 2 episodes

Sources

• Planck 2018 results. VI. Cosmological parameters
• Dark Matter in the Standard Model?
• Dark Matter through the Higgs portal
• Interaction in the dark sector
• Implications of Two-component Dark Matter Induced by Forbidden Channels and Thermal Freeze-out
• Interaction in the dark sector: a phenomenological approach
• Manifesting hidden dynamics of a sub-component dark matter
• Dark Matter Results From 54-Ton-Day Exposure of PandaX-II Experiment
• Dark Matter Search Results from a One Tonne$\times$Year Exposure of XENON1T
• Dark Matter capture and annihilation on the First Stars: preliminary estimates
• Scattering searches for dark matter in subhalos: neutron stars, cosmic rays, and old rocks
• Astrophysical and Cosmological Probes of Dark Matter
• Impact of galactic distributions in celestial capture of dark matter
• WIMP Annihilation and Cooling of Neutron Stars
• Multiscatter stellar capture of dark matter
• Heating up Neutron Stars with Inelastic Dark Matter
• TASI Lectures on Indirect Detection of Dark Matter
• Indirect Detection of Dark Matter in the Galaxy
• Warming Nuclear Pasta with Dark Matter: Kinetic and Annihilation Heating of Neutron Star Crusts
• Relativistic capture of dark matter by electrons in neutron stars

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• Enhanced Dark Matter Quantum Sensing via Phase-Space Geometric Interferometry
• Axions as Dark Matter, Dark Energy, and Dark Radiation