Gravitational lensing due to dark matter modelled by a vector field

被引：1
|
作者：
Kiselev, V. V.
Yudin, D. I.
机构：
[1] Russian State Res Ctr, Inst High Energy Phys, Protvino 142281, Moscow Region, Russia
[2] Moscow Inst Phys & Technol, Dolgoprudnyi 141700, Moscow Region, Russia
来源：
CLASSICAL AND QUANTUM GRAVITY | 2006年 / 23卷 / 24期
关键词：
D O I：
10.1088/0264-9381/23/24/013
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The specified constant 4-vector field reproducing the spherically symmetric stationary metric of a cold dark matter halo in the region of flat rotation curves results in a constant angle of light deflection at small impact distances. The effective deflecting mass is a factor pi/2 greater than the dark matter mass. The perturbation of deflection picture due to the halo edge is evaluated.
引用
收藏
页码：7417 / 7430
页数：14
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