English

Spatially Hyperbolic Gravitating Sources in $\Lambda$-Dominated Era

General Relativity and Quantum Cosmology 2024-10-03 v1

Abstract

This study focuses on the impact of the cosmological constant on hyperbolically symmetric matter configurations in static background. We extend the work of Herrera \cite{herrera2021hyperbolically} and describe the influences of such repulsive character on a few realistic features of hyperbolical anisotropic fluids. After describing Einstein-Λ\Lambda equations of motion, we elaborated the corresponding mass function along with its conservation laws. In our study, besides observing negative energy density, we notice the formation of Minkowskian core as matter content is compelled itself not to follow inward motion near the axis of symmetry. Three families of solution are found in Λ\Lambda-dominated epoch. First is calculated by keeping zero value to Weyl scalar, while the second solution maintains zero complexity in the subsequent changes of the hyperbolical compact object. However, the last model encompasses stiff fluid within the self-gravitating system. Such type of theoretical setup suggests its direct link to study a few particular quantum scenarios where negative behavior of energy density is noticed at Λ\Lambda dominated regime.

Keywords

Cite

@article{arxiv.2202.10231,
  title  = {Spatially Hyperbolic Gravitating Sources in $\Lambda$-Dominated Era},
  author = {Z. Yousaf},
  journal= {arXiv preprint arXiv:2202.10231},
  year   = {2024}
}

Comments

14 pages, 4 figures, version accepted for publications in Universe

R2 v1 2026-06-24T09:47:48.476Z