Ultra-Strongly Self-Interacting Dark Matter: From Phenomenology to Astrophysical Observables
The episode discusses a paper on Ultra-Strongly Self-Interacting Dark Matter (uSIDM), detailing its dual nature and relic density mechanisms. Hosts analyze how this small fraction of interacting dark matter drives structure formation, reconciling constraints from galaxy scales to cluster lensing. The model provides testable predictions for future observations and direct detection experiments.