S-matrix bootstrap bounds on self-interacting dark matter

arXiv:2607.13141 · hep-ph, astro-ph.CO, hep-th · Submitted 2026-07-14 · Read on arXiv

Qing Chen, Zhuo-Hui Wang, Shuang-Yong Zhou

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

Submitted: 2026-07-14

Comments: 6 pages, 3 figures

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

Terminology

• Benchmark — 4× in this paper · explained in 2 episodes
• Consistency — 2× in this paper · explained in 3 episodes
• Core — 2× in this paper · explained in 2 episodes
• Elias — 2× in this paper · explained in 2 episodes
• Abundance — 1× in this paper · explained in 1 episode
• Accuracy — 1× in this paper · explained in 1 episode
• Adam — 1× in this paper · explained in 2 episodes
• Momentum transfer — 1× in this paper · explained in 2 episodes
• Semidefinite Program (SDP) — 1× in this paper · explained in 2 episodes

Sources

• Planck 2018 results. VI. Cosmological parameters
• Observational and Theoretical Constraints on Singular Dark Matter Halos
• A Universal Density Profile from Hierarchical Clustering
• The Diversity and Similarity of Simulated Cold Dark Matter Halos
• The Core-Cusp Problem
• Small-Scale Challenges to the $\Lambda$CDM Paradigm
• Baryonic solutions and challenges for cosmological models of dwarf galaxies
• Observational evidence for self-interacting cold dark matter
• Astrophysical Tests of Dark Matter Self-Interactions
• A Self-interacting Dark Matter Solution to the Extreme Diversity of Low-mass Halo Properties
• Accurately simulating core-collapse self-interacting dark matter halos
• Three Birds with One Stone: Core-Collapsed SIDM Halos as the Common Origin of Dense Perturbers in Lenses, Streams, and Satellites
• Beyond Collisionless Dark Matter: Particle Physics Dynamics for Dark Matter Halo Structure
• Dark Matter Halos as Particle Colliders: A Unified Solution to Small-Scale Structure Puzzles from Dwarfs to Clusters
• Dark Matter Self-interactions and Small Scale Structure
• Unitarity Bounds and the Cuspy Halo Problem
• Primal S-matrix bootstrap with dispersion relations
• The S-matrix Bootstrap III: Higher Dimensional Amplitudes
• Rigorous bounds on the Analytic $S$-matrix
• Causality, Analyticity and an IR Obstruction to UV Completion

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