Phase-space structure of cold dark matter halos inside splashback: multi-stream flows and self-similar solution

Hiromu Sugiura, Takahiro Nishimichi, Yann Rasera +1

Using the motion of accreting particles onto halos in cosmological $N$-body simulations, we study the radial phase-space structures of cold dark matter (CDM) halos. In CDM cosmolog…