期刊
GENERAL RELATIVITY AND GRAVITATION
卷 36, 期 4, 页码 855-862出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1023/B:GERG.0000017037.92729.69
关键词
cosmology; fourth-order gravity; effective equation of state
We determine the gravitational response to a diffuse source, in a locally de Sitter background, of a class of theories which modify the Einstein-Hilbert action by adding a term proportional to an inverse power of the Ricci scalar. We find a linearly growing force which is not phenomenologically acceptable.
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