[HTML][HTML] Anisotropic compact stars via embedding approach in general relativity: new physical insights of stellar configurations

A Errehymy, Y Khedif, M Daoud - The European Physical Journal C, 2021 - Springer
The main focus of this paper is to explore the possibility of providing a new family of exact
solutions for suitable anisotropic spherically symmetric systems in the realm of general …

I-Love-Q anisotropically: Universal relations for compact stars with scalar pressure anisotropy

K Yagi, N Yunes - Physical Review D, 2015 - APS
Certain physical quantities that characterize neutron stars and quark stars (eg their mass,
spin angular momentum, and quadrupole moment) have recently been found to be …

Double relativistic master polytrope for anisotropic matter

P León, E Fuenmayor, E Contreras - Physical Review D, 2023 - APS
We present a detailed analysis of a general relativistic static spherical symmetric distribution
in which both the radial and tangential pressures follow a master polytropic equation of state …

Cracking of general relativistic anisotropic polytropes

L Herrera, E Fuenmayor, P Leon - Physical Review D, 2016 - APS
We discuss the effect that small fluctuations of the local anisotropy of pressure and of the
energy density may have on the occurrence of cracking in spherical compact objects …

Influence of EMSG on complex systems: Spherically symmetric, static case

MMM Nasir, MZ Bhatti, Z Yousaf - International Journal of Modern …, 2023 - World Scientific
Through this study, we intend to present a comprehensive summary of the most recent
research on complex systems or complexity factor (𝒞 f) in the background of modified gravity …

A Generalized Double Chaplygin Model for Anisotropic Matter: The Newtonian Case

G Abellán, Á Rincón, E Sanchez - Universe, 2023 - mdpi.com
In this work, we investigate astrophysical systems in a Newtonian regime using anisotropic
matter. For this purpose, we considered that both radial and tangential pressures satisfy a …

Complexity factor of spherically anisotropic polytropes from gravitational decoupling

P León, C Las Heras - General Relativity and Gravitation, 2022 - Springer
In this work we will analyse the complexity factor, proposed by L. Herrera, for spherically
symmetric static matter distributions satisfying a polytropic equation through the gravitational …

Gravitational cracking of general relativistic polytropes: a generalized scheme

P León, E Fuenmayor, E Contreras - Physical Review D, 2021 - APS
We discuss the effect that small fluctuations of both local anisotropy and energy density may
have on the occurrence of cracking in spherical compact objects satisfying a polytropic …

General relativistic polytropes in anisotropic stars

AA Isayev - Physical Review D, 2017 - APS
Spherically symmetric relativistic stars with a polytropic equation of state (EoS), which
possess local pressure anisotropy, are considered within the framework of general relativity …

From neutron stars to highly compact configurations

O Bustos, E Fuenmayor, P León… - The European Physical …, 2023 - Springer
In this work, we deliver a comprehensive analysis of anisotropic fluids supporting self-
gravitating spheres. Our research is grounded on anisotropic fluids that adhere to a well …