Testing gravity using cosmic voids

We explore voids in dark matter and halo fields from simulations of Λ cold dark matter and Hu–Sawicki f (R) models. In f (R) gravity, dark matter void abundances are greater than that of general relativity (GR). Differences for halo void abundances are much smaller, but still at the 2σ, 6σ and 14σ l...

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Bibliographic Details
Published in:Monthly notices of the Royal Astronomical Society 2015-07, Vol.451 (1), p.1036-1055
Main Authors: Cai, Yan-Chuan, Padilla, Nelson, Li, Baojiu
Format: Article
Language:English
Subjects:
Abundance
Corona
Dark matter
Density
Galactic halos
Geometry
Gravitation
Gravity
Halos
Red shift
Shear
Simulation
Voids
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