期刊
GRAVITATION & COSMOLOGY
卷 18, 期 1, 页码 43-53出版社
SPRINGER
DOI: 10.1134/S0202289312010100
关键词
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资金
- Federal Russian Science Agency [02.740.11.0575]
- RFBR [11-02-00643]
We consider the cosmological dynamics of fourth-order gravity with both f(R) and Phi(G) corrections to the Einstein gravity (G is the Gauss-Bonnet invariant). The particular case for which both terms are equally important on power-law solutions is described. These solutions and their stability are studied using the dynamic system approach. We also discuss the condition of existence and stability of a de Sitter solution in a more general situation of power-law f and Phi.
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