Cosmic history of chameleonic dark matter in F(R) gravity

被引：29

作者：

Katsuragawa, Taishi ^{[1
,4
]}

Matsuzaki, Shinya ^{[2
,3
]}

机构：

[1] Nagoya Univ, Kobayashi Maskawa Inst Origin Particles & Univers, Nagoya, Aichi 4648602, Japan

[2] Nagoya Univ, Dept Phys, Nagoya, Aichi 4648602, Japan

[3] Nagoya Univ, Inst Adv Res, Nagoya, Aichi 4648602, Japan

[4] Cent China Normal Univ, Inst Astrophys, Wuhan 430079, Hubei, Peoples R China

来源：

PHYSICAL REVIEW D | 2018年 / 97卷 / 06期

关键词：

D O I：

10.1103/PhysRevD.97.064037

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We study the cosmic history of the scalaron in F(R) gravity with constructing the time evolution of the cosmic environment and discuss the chameleonic dark matter based on the chameleon mechanism in the early and current Universe. We then find that the scalaron can be a dark matter. We also propose an interesting possibility that the F(R) gravity can address the coincidence problem.

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页数：14

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