Photon regions in stationary axisymmetric spacetimes and umbilic conditions

被引：0

作者：

Kobialko, K. V. ^{[1
]}

Gal'tsov, D. V. ^{[1
]}

机构：

[1] Moscow MV Lomonosov State Univ, Fac Phys, Moscow 119899, Russia

来源：

SIXTEENTH MARCEL GROSSMANN MEETING | 2023年

基金：

俄罗斯基础研究基金会;

关键词：

Photon regions; photon surfaces; gravitational lensing; black hole shadows;

D O I：

暂无

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the fundamentals of the recently proposed geometric description(1) of photon regions in terms of foliation into fundamental photon hypersurfaces, which satisfies the umbilic condition for the subbundle of the tangent bundle defined by the generalized impact parameter.

引用

页码：3874 / 3884

页数：11