Phenomenological Extension for Tidal Charge Black Hole

被引：11

作者：

Alexeyev, S. O. ^{[1
,2
]}

Latosh, B. N. ^{[3
,4
]}

Prokopov, V. A. ^{[1
,5
]}

Emtsova, E. D. ^{[1
,5
]}

机构：

[1] Moscow MV Lomonosov State Univ, Sternberg Astron Inst, Moscow 119234, Russia

[2] Moscow MV Lomonosov State Univ, Fac Phys, Dept Quantum Theory & High Energy Phys, Moscow 119234, Russia

[3] Univ Sussex, Dept Phys & Astron, Brighton BN1 9QH, E Sussex, England

[4] Dubna State Univ, Dubna 141982, Russia

[5] Moscow MV Lomonosov State Univ, Fac Phys, Dept Astrophys & Stellar Astron, Moscow 119234, Russia

来源：

JOURNAL OF EXPERIMENTAL AND THEORETICAL PHYSICS | 2019年 / 128卷 / 05期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/S1063776119040010

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A simple phenomenological extension of the black hole solution with tidal charge is proposed. Empirical data on the Sgr A* black hole is consistent with the suggested metric which serves as a generalization of the Reissner-Nordstrom one. Such a generalization includes the leading effects beyond general relativity; so, the discussed metric can explain wider range of gravitational effects. We discuss physical features of an object described by the proposed metric, namely, the size of its shadow and the innermost stable circular orbit radius.

引用

页码：720 / 726

页数：7

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