Hybrid $P_{\ell}(k)$: general, unified, non-linear matter power spectrum in redshift space

1 code implementation • 11 Nov 2019 • Benjamin Bose, Hans A. Winther, Alkistis Pourtsidou, Santiago Casas, Lucas Lombriser, Qianli Xia, Matteo Cataneo

We test this approach against comoving Lagrangian acceleration simulation measurements performed in GR, DGP and $f(R)$ gravity and find that our method performs comparably or better to the dark matter TNS redshift space power spectrum model for dark matter.

Cosmology and Nongalactic Astrophysics