Multiscale cluster lensing reveals subhalo inner density slopes steeper than collisionless CDM allows and radial distributions that mismatch CDM, while mass functions and truncation radii align.
The net outcome is further complicated by the still-debated impact of baryons on CDM subhalo survival in the cluster environment (Chua et al
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New Cold Dark Matter Crisis Revealed by Multiscale Cluster Lensing
Multiscale cluster lensing reveals subhalo inner density slopes steeper than collisionless CDM allows and radial distributions that mismatch CDM, while mass functions and truncation radii align.