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 …

Observational constraints on maximum mass limit and physical properties of anisotropic strange star models by gravitational decoupling in Einstein–Gauss–Bonnet …

SK Maurya, KN Singh, M Govender… - Monthly Notices of the …, 2023 - academic.oup.com
In this work, we are guided by the gravitational wave events GW 170817 and GW 190814
together with observations of neutron stars PSR J1614-2230, PSR J1903+ 6620, and LMC X …

Anisotropic Strange Star Model Beyond Standard Maximum Mass Limit by Gravitational Decoupling in f (Q) f(Q) Gravity

SK Maurya, KN Singh, SV Lohakare… - Fortschritte der …, 2022 - Wiley Online Library
The current theoretical development identified as the gravitational decoupling via Complete
Geometric Deformation (CGD) method that has been introduced to explore the nonmetricity …

Anisotropic compact stars admitting karmarkar condition in theory

S Rani, M Adeel, MZ Gul, A Jawad - International Journal of …, 2024 - World Scientific
The major goal of this study is to examine the viability and stability of anisotropic compact
stellar objects using the Karmarkar condition in f (𝒬) gravity, where 𝒬 is a scalar of …

Gravitationally decoupled strange star model beyond the standard maximum mass limit in Einstein–Gauss–Bonnet gravity

SK Maurya, KN Singh, M Govender… - The Astrophysical …, 2022 - iopscience.iop.org
The recent theoretical advance known as the minimal geometric deformation (MGD) method
has initiated renewed interest in investigating higher-curvature gravitational effects in …

Gravitationally decoupled anisotropic solution using polytropic EoS in the framework of 5D Einstein–Gauss–Bonnet Gravity

SK Maurya, M Govender, KN Singh, R Nag - The European Physical …, 2022 - Springer
In this work we explore the characteristics of a polytropic solution for the anisotropic stellar
object within the framework of Einstein–Gauss–Bonnet (EGB) gravity. We introduce …

Exploring Physical Properties of Gravitationally Decoupled Anisotropic Solution in 5D Einstein‐Gauss‐Bonnet Gravity

SK Maurya, F Tello‐Ortiz, M Govender - Fortschritte der Physik, 2021 - Wiley Online Library
In this paper we present two new classes of solutions describing compact objects within the
framework of five‐dimensional Einstein‐Gauss‐Bonnet (EGB) gravity. We employ the …

Quark stars in the Einstein–Gauss–Bonnet theory: A new branch of stellar configurations

T Tangphati, A Pradhan, A Errehymy, A Banerjee - Annals of Physics, 2021 - Elsevier
The observations of pulsars heavier than 2 M⊙ have put strong constraints on the equation
of state (EoS) above nuclear saturation density. For this reason, the internal structure of a …

A family of well-behaved Karmarkar spacetimes describing interior of relativistic stars

KN Singh, N Pant - The European Physical Journal C, 2016 - Springer
We present a family of new exact solutions for relativistic anisotropic stellar objects by
considering a four-dimensional spacetime embedded in a five-dimensional pseudo …

Anisotropic compact stars in Karmarkar spacetime

KN Singh, N Pant, M Govender - Chinese physics C, 2017 - iopscience.iop.org
We present a new class of solutions to the Einstein field equations for an anisotropic matter
distribution in which the interior space-time obeys the Karmarkar condition. The necessary …