科研之友
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摘要
In this paper, a general approach has been introduced to investigate f (R) theories of gravity with coupling between matter and geometry via autonomous system, where there is no need to specify the arbitrary function of the scalar curvature. By this way, we find the general condition for the cosmic accelerated expansion. Moreover, in order to exemplify how to use our method to study specific cases, we applied it to three different models.
- 出版日期2018-3
- 单位云南大学
