FLRW-cosmology in generic gravity theories

被引：12
作者：
Gurses, Metin [1 ]
Heydarzade, Yaghoub [1 ]
机构：
[1] Bilkent Univ, Fac Sci, Dept Math, TR-06800 Ankara, Turkey
来源：
EUROPEAN PHYSICAL JOURNAL C | 2020年 / 80卷 / 11期
关键词：
TENSOR;
D O I：
10.1140/epjc/s10052-020-08641-0
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We prove that for the Friedmann-Lemaitre-Robertson-Walker metric, the field equations of any generic gravity theory in arbitrary dimensions are of the perfect fluid type. The cases of general Lovelock and F(R,G) theories are given as examples.
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页数：7
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