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arxiv: 1603.05750 · v2 · pith:GXIMF7BFnew · submitted 2016-03-18 · 🌌 astro-ph.CO · gr-qc

Probing scalar tensor theories for gravity in redshift space

classification 🌌 astro-ph.CO gr-qc
keywords statisticsgravityredshiftsimulationsspacecorrelationdeviationsfind
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We present measurements of the spatial clustering statistics in redshift space of various scalar field modified gravity simulations. We utilise the two-point and the three-point correlation functions to quantify the spatial distribution of dark matter halos within these simulations and thus discern between the models. We compare $\Lambda$CDM simulations to various modified gravity scenarios and find consistency with previous work in terms of 2-point statistics in real and redshift-space. However using higher order statistics such as the three-point correlation function in redshift space we find significant deviations from $\Lambda$CDM hinting that higher order statistics may prove to be a useful tool in the hunt for deviations from General Relativity.

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