Einstein and Rastall theories of gravitation in comparison

被引：184
作者：
Darabi, F. [1 ,2 ]
Moradpour, H. [1 ]
Licata, I. [3 ,4 ]
Heydarzade, Y. [1 ,2 ]
Corda, C. [1 ]
机构：
[1] RIAAM, Maragha 55134, Iran
[2] Azarbaijan Shahid Madani Univ, Dept Phys, Tabriz, Iran
[3] Inst Sci Methodol, ISEM, Palermo, PA, Italy
[4] Sch Adv Int Studies Appl Theoret & Non Linear Met, Bari, Italy
来源：
EUROPEAN PHYSICAL JOURNAL C | 2018年 / 78卷 / 01期
关键词：
ACCELERATING UNIVERSE; GENERAL-RELATIVITY; ENERGY-MOMENTUM; MATTER; COSMOLOGY; MODEL;
D O I：
10.1140/epjc/s10052-017-5502-5
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 profit by a recent paper of Visser claiming that Rastall gravity is equivalent to Einstein gravity to compare the two gravitational theories in a general way. Our conclusions are different from Visser's ones. We indeed argue that these two theories are not equivalent. In fact, Rastall theory of gravity is an "open" theory when compared to Einstein general theory of relativity. Thus, it is ready to accept the challenges of observational cosmology and quantum gravity.
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页数：4
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