#StudentSeminar: Gravitational Dark Matter in Warped Extra Dimensions: From Realistic Three-Brane Models to the Evanescent-Brane Limit

por Alejandro Muñoz Ovalle (Universitat de València - IFIC)

miércoles 17 dic. 2025 15:30 → 17:00 Europe/Madrid

1001-Primera-1-1-1 - Paterna. Seminario (Universe)

Warped extra-dimensional models offer a compelling framework in which dark matter (DM) interacts predominantly through gravity. In this talk, I will first introduce the general three-brane Randall–Sundrum scenario, where asymmetric bulk curvatures lead to a rich spectrum of radions and Kaluza–Klein gravitons whose couplings govern DM freeze-out. I will then show how the evanescent-brane limit arises as a simplified but insightful approximation, retaining much of the phenomenology while clarifying the underlying mechanisms. Together, these results provide a coherent picture of how gravitational interactions in warped geometries can naturally account for the observed DM abundance and evade current experimental bounds.