Jun 2 – 6, 2025
Santander, Spain
Europe/Madrid timezone

Dark matter minihalos from primordial magnetic fields

Jun 3, 2025, 6:20 PM
5m
Santander, Spain

Santander, Spain

Gran Hotel Victoria C. María Luisa Pelayo, 38 39005 Santander Cantabria, Spain
Poster + Lightning Talk Galaxies, Dynamics and Cosmology Tuesday Afternoon II

Speaker

Pranjal Ralegankar (sissa)

Description

Primordial magnetic fields (PMFs) offer a simple explanation for the origin of galactic magnetic fields as well as of the purportedly detected magnetic fields in cosmic voids. In this talk, I show how PMFs can enhance the abundance of dark matter minihalos of masses between 10^3-10^-11 solar masses. I conclude by arguing that search for dark matter minihalos can potentially provide the most sensitive probe for PMFs.

Author

Presentation materials