The separate and combined effects of baryon physics and neutrino free-streaming on large-scale structure
Benjamin O. Mummery; Ian G. McCarthy; Simeon Bird; Joop Schaye · 2017 · arXiv
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The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
We use the cosmo-OWLS and BAHAMAS suites of cosmological hydrodynamical simulations to explore the separate and combined effects of baryon physics (particularly feedback from active galactic nuclei, AGN) and free-streaming of massive neutrinos on large-scale structure. We focus on five diagnostics: i) the halo mass function; ii) halo mass density profiles; iii) the halo mass-concentration relation; iv) the clustering of haloes; and v) the clustering of matter; and we explore the extent to which the effects of baryon physics and neutrino free-streaming can be treated independently. Consistent w
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Metadata source: arXiv