Subhalo Abundance Matching in f(R) Gravity.
Subhalo Abundance Matching in f(R) Gravity.
复制标题
f(R) 重力中的 Subhalo 丰度匹配。
DOI:
10.1103/physrevlett.117.221101
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发表时间:
2016
影响因子:
8.6
通讯作者:
He JH
中科院分区:
文献类型:
--
作者:
He JH
Using the liminality-body simulations of Shiet al., we present the first predictions for galaxy clustering ingravity using subhalo abundance matching. We find that, for a given galaxy density, even for anmodel with, for which the cold dark matter clustering is very similar to the cold dark matter model with a cosmological constant (), the predicted clustering of galaxies in themodel is very different from. The deviation can be as large as 40% for samples with mean densities close to that ofgalaxies. This large deviation is testable given the accuracy that future large-scale galaxy surveys aim to achieve. Our result demonstrates that galaxy surveys can provide a stringent test of general relativity on cosmological scales, which is comparable to the tests from local astrophysical observations.