Relativistic models for anisotropic compact stars: A review

J Kumar, P Bharti - New Astronomy Reviews, 2022 - Elsevier
Abstract The Einstein–Maxwell (or Einstein) system of field equations plays a substantial
role in the modeling of compact stars. Although due to its non-linearity getting an exact …

Bardeen compact stars in modified gravity

A Malik, M Ahmad, B Al Alwan… - Canadian journal of …, 2022 - cdnsciencepub.com
The goal of this work was to investigate the behavior of charge compact stars in the context
of f (G) theory of gravity, which is one of the most powerful candidates responsible for the …

Relativistic tolman stellar spheres in theory of gravity

A Malik, MU Shahzad, T Naz… - … Journal of Geometric …, 2024 - World Scientific
In this study, we investigate the literature on anisotropic stellar spheres in f (R, ϕ) gravity
utilizing Tolman–Kuchowicz (TK) spacetime. Due to the existence of anisotropic matter …

The classification of interior solutions of anisotropic fluid configurations

J Kumar, P Bharti - arXiv preprint arXiv:2112.12518, 2021 - arxiv.org
The Einstein-Maxwell (or Einstein) system of field equations plays a substantial role in the
modeling of compact stars. Although due to its non-linearity getting an exact solution for the …

Three-layered relativistic stellar model endowed with distinct equation of states

N Pant, S Gedela, RP Pant, J Upreti… - The European Physical …, 2020 - Springer
In this paper, we amalgamate three-layer hypothesis of compact star models given by
Ginzburg (Usp Fiz Nauk 103: 393, 1971) with our recent works on core-envelope compact …

Stellar models with generalized polytropic equation of state

SD Maharaj, DK Matondo - New Astronomy, 2022 - Elsevier
We find new classes of exact solutions to the Einstein field equations where the matter
distribution satisfies a generalized polytropic equation of state. The matter distribution is …

[HTML][HTML] Charged anisotropic compact star core-envelope model with polytropic core and linear envelope

SA Mardan, I Noureen, A Khalid - The European Physical Journal C, 2021 - Springer
This manuscript is related to the construction of relativistic core-envelope model for
spherically symmetric charged anisotropic compact objects. The polytropic equation of state …

The role of dimensions in gravitating relativistic shear-free fluids

SC Gumede, SD Maharaj, KS Govinder - The European Physical Journal …, 2024 - Springer
We study the dynamics of relativistic shear-free gravitating fluids in higher dimensions for
both neutral and charged matter. We reduce the Einstein–Maxwell equations to a single …

[HTML][HTML] Acceptability conditions and relativistic barotropic equations of state

H Hernández, D Suárez-Urango, LA Núñez - The European Physical …, 2021 - Springer
We sketch an algorithm to generate exact anisotropic solutions starting from a barotropic
EoS and setting an ansatz on the metric functions. To illustrate the method, we use a …

A relativistic model of stellar objects with core-crust-envelope division

RK Bisht, S Gedela, N Pant… - Research in Astronomy …, 2021 - iopscience.iop.org
In this work, we present a cogent and physically well-behaved solution for neutron stars
envisaged with a core layer having quark matter satisfying the MIT-bag equation of state …