Role of Tilted Congruence and f(R) Gravity on Regular Compact Objects
Role of Tilted Congruence and f(R) Gravity on Regular Compact Objects
复制标题
倾斜同余和 f(R) 引力对规则紧凑物体的作用
DOI：
10.1103/physrevd.95.024024
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发表时间：
2017
影响因子：
5
通讯作者：
Kazuharu Bamba and M. Zaeem-ul-Haq Bhatti
中科院分区：
文献类型：
--
作者：
Z. Yousaf;Kazuharu Bamba and M. Zaeem-ul-Haq Bhatti
The purpose of this paper is to check the impact of observer and Palatiniterms in the formulations of inhomogeneity factors of spherical relativistic systems. We consider the Lemaître-Tolman-Bondi dynamical model as a compact object and studied its evolution with both tilted and nontilted observers. We performed our analysis for particular cases of fluid distribution in tilted frame and found some energy density irregularity variables. We found that these variables are drastically different from those observed by a nontilted observer. The conformal flat dust and perfect matter contents are homogeneous as long as they impregnate vacuum core. However, this restriction is relaxed, when the complexity in the fluid description is increased. The radial fluid velocity due to tilted congruences and Palatinicurvature terms tends to produce hindrances in the appearance of energy-density inhomogeneities in the initially regular spherical stellar populations.
