COSMIC STRINGS IN LYRA GEOMETRY

被引：3
|
作者：
MATYJASEK, J
ROGATKO, M
机构：
[1] Institute of Physics, Marie Curie-Sklodowska University, Lublin
来源：
ASTROPHYSICS AND SPACE SCIENCE | 1992年 / 192卷 / 02期
关键词：
D O I：
10.1007/BF00684487
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Exact cylindrically-symmetric solutions of Sen equations both with and without the source term in Lyra geometry are presented. It is found that the exterior vacuum solution, when continuously joined to the interior solution describing the uniform density cylinder of finite radius, may represent a cosmic string. The rate of light deflection that is independent of the impact parameter suggests that the solution has the gravitational lensing property, and for typical values of the linear mass density it yields predictions similar to general relativity.
引用
收藏
页码：299 / 308
页数：10
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