Anisotropic spheres via embedding approach in gravity

A Malik, Y **a, A Almas, MF Shamir - The European Physical Journal Plus, 2023 - Springer
In this manuscript, we investigate the behavior of stellar structure through embedding
approach in\(f (R,\phi, X)\) modified theory of gravity, where R denotes the Ricci scalar,\(\phi\) …

Radial pulsations, moment of inertia and tidal deformability of dark energy stars

JMZ Pretel - The European Physical Journal C, 2023 - Springer
We construct dark energy stars with Chaplygin-type equation of state (EoS) in the presence
of anisotropic pressure within the framework of Einstein gravity. From the classification …

Role of decoupling measure on the complexity factor and isotropization of the charged anisotropic spheres

U Farwa, Z Yousaf - Chinese Journal of Physics, 2023 - Elsevier
An electromagnetic field is a consequential aspect of the space carried by moving electric
charges. The contemporaneous interaction of Einstein–Maxwell field could be provoked by …

Anisotropic extension of Kohler–Chao–Tikekar solution by minimal geometric deformation

J Andrade, KY Ortega, WNR Klínger, RCG Copa… - The European Physical …, 2023 - Springer
This work is devoted to transforming the known cosmological solution of Kohler–Chao–
Tikekar into an anisotropic interior solution using the framework of Gravitational Decoupling …

[HTML][HTML] Comparing mathematical modeling approaches for compact objects: vanishing complexity and embedding class one approaches in spherically symmetric …

S Gedela, RK Bisht - The European Physical Journal C, 2023 - Springer
This study delves into the realm of solving Einstein's field equations within the framework of
general relativity. In this paper, we present an exact solution derived through the vanishing …

[HTML][HTML] Anisotropic dark energy stars within vanishing complexity factor formalism: Hydrostatic equilibrium, radial oscillations, and observational implications

G Panotopoulos, Á Rincón, I Lopes - Physics Letters B, 2024 - Elsevier
We investigate the structure and radial oscillations of anisotropic compact stars composed of
dark energy, using the vanishing complexity factor formalism within general relativity. This …

Moment of inertia and compactness of quark stars within the context of gravity

JMZ Pretel - arxiv preprint arxiv:2407.03626, 2024 - arxiv.org
Within the metric formalism of $ f (R, T, L_m) $ gravity theories, we investigate the hydrostatic
equilibrium structure of compact stars taking into account both isotropic and anisotropic …

Impact of Fermi-surface distortion in a relativistic mean-field model on the moment of inertia and tidal deformability of neutron stars

R Rizaldy, A Sulaksono - Physical Review C, 2024 - APS
We have previously shown [R. Rizaldy, AR Alfarasyi, A. Sulaksono, and T. Sumaryada,
Phys. Rev. C 100, 055804 (2019) 2469-9985 10.1103/PhysRevC. 100.055804] that Fermi …

The physical acceptability conditions and the strategies to obtain anisotropic compact objects

D Suárez-Urango, LM Becerra, J Ospino… - The European Physical …, 2023 - Springer
We studied five methods to include anisotropy, or unequal stress distributions, in general
relativistic matter configurations. We used nine acceptability conditions that the metric and …

Compact stars with non-uniform relativistic polytrope

MI Nouh, MM Foda, MS Aboueisha - Scientific Reports, 2024 - nature.com
This paper presents new relativistic composite polytropic models for compact stars by
simultaneously solving Einstein field equations with the polytropic state equation to simulate …