The role of exterior Weyl fluids on compact stellar structures in Randall-Sundrum gravity

被引:110
|
作者
Ovalle, J. [1 ]
Linares, F. [2 ]
Pasqua, A. [3 ]
Sotomayor, A. [4 ]
机构
[1] Univ Simon Bolivar, Dept Fis, Caracas 1080A, Venezuela
[2] Univ Guadalajara, Dept Fis, Guadalajara, Jalisco, Mexico
[3] Univ Trieste, Dept Phys, I-34127 Trieste, Italy
[4] Univ Antofagasta, Dept Matemat, Antofagasta, Chile
关键词
BRANEWORLD; STARS; DIMENSIONS; HIERARCHY;
D O I
10.1088/0264-9381/30/17/175019
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
In the context of the Randall-Sundrum braneworld, the minimal geometric deformation approach is used to generate a new physically acceptable interior solution to Einstein's field equations for a spherically symmetric compact distribution. This new solution is used to elucidate the role of exterior Weyl stresses from bulk gravitons on compact stellar distributions. We found strong evidences showing that the exterior dark radiation U+ always increases both the pressure and the compactness of stellar structures, and that the exterior 'dark pressure' P+ always reduces them.
引用
收藏
页数:12
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