Quantum gravity inspired nonlocal gravity model

被引：18

作者：

Amendola, Luca ^{[1
]}

Burzilla, Nicolo ^{[1
,2
]}

Nersisyan, Henrik ^{[1
]}

机构：

[1] Heidelberg Univ, Inst Theoret Phys, Philosophenweg 16, D-69120 Heidelberg, Germany

[2] Univ Catania, Dipartimento Fis & Astron, Via S Sofia 64, I-95123 Catania, Italy

来源：

PHYSICAL REVIEW D | 2017年 / 96卷 / 08期

关键词：

D O I：

10.1103/PhysRevD.96.084031

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider a nonlocal gravity model motivated by nonperturbative quantum gravity studies. This model, if correct, suggests the existence of strong IR relevant effects which can lead to an interesting late time cosmology. We implement the IR modification directly in the effective action. We show that, upon some assumptions on initial conditions, this model describes an observationally viable background cosmology being also consistent with local gravity tests.

引用

页数：10

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