Small-scale shear: Peeling off diffuse subhalos with gravitational waves

Han Gil Choi, Chanung Park, Sunghoon Jung

Subhalos at subgalactic scales ($M\lesssim 10^7{M}_{\odot }$ or $k\gtrsim 10^3{\mathrm{Mpc}}^{-1}$) are pristine test beds of dark matter (DM). However, they are too small, diffuse and d…