2 papers
astro-ph.CO2025
Astrophysical Tests of Dark Matter Self-Interactions
Susmita Adhikari, Arka Banerjee, Kimberly K. Boddy +11
Self-interacting dark matter (SIDM) arises generically in scenarios for physics beyond the Standard Model that have dark sectors with light mediators or strong dynamics. The self-i…
astro-ph.GA2025
A Splashback-like Feature of Central Galaxies in Galaxy Clusters
Yuanyuan Zhang, Susmita Adhikari, Louise O. V. Edwards +3
We investigate a splashback-like feature in the outer region of central galaxies (CGs) in clusters. This feature is detected as a "dip" in the radial slope of the CG surface bright…