Fermat's principle in constant gravitational field

被引：0

作者：

Gonera, Joanna ^{[1
]}

Kosinski, Piotr ^{[1
]}

Piwnik, Joanna ^{[1
]}

机构：

[1] Univ Lodz, Fac Phys & Appl Informat, Pomorska 149-153, PL-90236 Lodz, Poland

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS D | 2021年 / 30卷 / 12期

关键词：

Geometric optics; Fermat principle; Kerr black hole;

D O I：

10.1142/S0218271821500942

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Recently (Int. J. Mod. Phys. D 27 (2018) 1847025) an interesting property of closed light rings in Kerr black holes has been noticed. We explain its origin and derive a slightly more general result.

引用

页数：3

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