Black hole shadow in symmergent gravity

被引：63
|
作者：
Cimdiker, Irfan [1 ]
Demir, Durmus [2 ]
Ovgun, Ali [3 ]
机构：
[1] Karadeniz Tech Univ, Dept Phys, TR-61080 Trabzon, Turkey
[2] Sabanci Univ, Fac Engn & Nat Sci, TR-34956 Istanbul, Turkey
[3] Eastern Mediterranean Univ, Phys Dept, Via Mersin 10, TR-99628 Famagusta, North Cyprus, Turkey
来源：
PHYSICS OF THE DARK UNIVERSE | 2021年 / 34卷
关键词：
Black hole; Exact solutions; Emergent gravity; Shadow; Deflection angle; QUASI-NORMAL MODES; COSMOLOGICAL CONSTANT;
D O I：
10.1016/j.dark.2021.100900
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Symmergent gravity is the R+R-2 gravity theory which emerges in a way restoring gauge symmetries broken explicitly by the ultraviolet cutoff in effective field theories. To test symmergent gravity we construct novel black hole solutions in four dimensions, and study their shadow in the vacuum as well as plasma medium. Our detailed analyses show that the horizon radius, Hawking temperature, Bekenstein-Hawking entropy, shadow angular radius, and photon deflection angle are sensitive probes of the symmergent gravity and particle spectrum of the underlying quantum field theory. (C) 2021 Elsevier B.V. All rights reserved.
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页数：10
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