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相关论文: Gravitational cracking and complexity in the frame…

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In the present paper, we discuss the role of gravitational decoupling to isotropize the anisotropic solution of Einstein's field equations in the context of the complete geometric deformation (CGD) approach and its influence on the…

广义相对论与量子宇宙学 · 物理学 2022-02-09 S. K. Maurya , Riju Nag

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 equation of state. A systematic scheme to bring the fluid…

广义相对论与量子宇宙学 · 物理学 2021-08-24 P. León , E. Fuenmayor , E. Contreras

We explore the influence of density fluctuations on isotropic and anisotropic configurations, extending the concept of cracking for general relativistic fluid spheres. This concept, conceived to describe the behaviour of anisotropic matter…

广义相对论与量子宇宙学 · 物理学 2016-11-16 Guillermo A. Gonzalez , Anamaria Navarro , Luis A. Nunez

In the work, we present investigation on decoupling gravitational sources under the framework of $f(R,T)$ gravity. Basically the complete geometric deformation technique has been employed here which facilitates finding exact solutions to…

广义相对论与量子宇宙学 · 物理学 2024-03-21 S. K. Maurya , B. Mishra , Saibal Ray , Riju Nag

In this paper, we extend the Finch-Skea isotropic ansatz representing a self-gravitating interior to two anisotropic spherical solutions within the context of Rastall gravity. For this purpose, we use a newly developed technique, named as…

广义相对论与量子宇宙学 · 物理学 2024-10-03 M. Sharif , M. Sallah

We investigate the effect of density perturbations and local anisotropy on the stability of stellar matter structures in general relativity using the concept of cracking. Adopting a core-envelope model of a super-dense star, we examine the…

广义相对论与量子宇宙学 · 物理学 2026-05-05 A. C. Khunt , V. O. Thomas , P. C. Vinodkumar

Using the the concept of cracking we explore the influence of density fluctuations and local anisotropy have on the stability of local and non-local anisotropic matter configurations in general relativity. This concept, conceived to…

广义相对论与量子宇宙学 · 物理学 2008-11-26 H. Abreu , H. Hernandez , L. A. Nunez

We discuss the effect that small fluctuations of local anisotropy of pressure, and energy density, may have on the occurrence of cracking in spherical compact objects, satisfying a polytropic equation of state. Two different kind of…

广义相对论与量子宇宙学 · 物理学 2016-02-17 L. Herrera , E. Fuenmayor , P. León

In a recent paper, Herrera \cite{2} (L. Herrera: Phys. Rev. D97, 044010(2018)) have proposed a new definition of complexity for static self-gravitating fluid in General Relativity. In the present article, we implement this definition of…

广义相对论与量子宇宙学 · 物理学 2018-10-30 G. Abbas , H. Nazar

This paper focuses on the analysis of static spherically symmetric anisotropic solutions in the presence of electromagnetic field through the gravitational decoupling approach in…

广义相对论与量子宇宙学 · 物理学 2024-03-04 M. Sharif , T. Naseer

This paper is devoted to studying charged anisotropic static spherically symmetric solutions through gravitationally decoupled minimal geometric deformation technique in $f(R)$ gravity. For this purpose, we first consider the known…

广义相对论与量子宇宙学 · 物理学 2019-07-24 M. Sharif , Arfa Waseem

The concept of cracking refers to the tendency of a fluid distribution to "split'', once it abandons the equilibrium. In this manuscript we develop a general formalism to describe the occurrence of cracking within a dissipative fluid…

广义相对论与量子宇宙学 · 物理学 2024-04-09 L. Herrera , A. Di Prisco

In this paper, we determine the electromagnetic effects on the complexity factor of radiating anisotropic cylindrical geometry in the background of $f(G,\mathcal{T})$ theory. The self-gravitating objects possessing inhomogeneous energy…

广义相对论与量子宇宙学 · 物理学 2023-09-07 M. Sharif , K. Hassan

In this work, we investigate the emergence of compact, anisotropic stellar structures through the gravitational decoupling scheme within the framework of complete geometric deformation. The study introduces a novel synthesis of two…

广义相对论与量子宇宙学 · 物理学 2025-12-09 Z. Yousaf , Kazuharu Bamba , M. Z. Bhatti , S. Khan

In this paper, we investigate anisotropic static spherically symmetric solutions in the framework of $f(\mathcal{G})$ gravity through gravitational decoupling approach. For this purpose, we consider Krori and Barua (known solution)…

广义相对论与量子宇宙学 · 物理学 2018-12-06 M. Sharif , Saadia Saba

Using the concept of cracking, we have explored the influence of density fluctuations on isotropic and anisotropic charged matter configurations in General Relativity with "barotropic" equations of state, $P = P(\rho)$ and $P_{\perp}=…

广义相对论与量子宇宙学 · 物理学 2015-05-22 Guillermo A. González , Anamaría Navarro , Luis A. Núñez

The aim of this paper is to generalize the definition of complexity for the static self-gravitating structure in $f(R,T,Q)$ gravitational theory, where $R$ is the Ricci scalar, $T$ is the trace part of energy momentum tensor and $Q\equiv…

广义相对论与量子宇宙学 · 物理学 2021-04-28 Z. Yousaf , Maxim Yu. Khlopov , M. Z. Bhatti , T. Naseer

In this paper, we develop two anisotropic solutions for static self-gravitating spherical structure in the presence of electromagnetic field through gravitational decoupling approach in $f(G,T)$ theory, where $G$ and $T$ denote the…

广义相对论与量子宇宙学 · 物理学 2022-11-04 M. Sharif , Komal Hassan

We employ the gravitational decoupling approach for static and spherically symmetric systems to develop a simple and powerful method in order to a) continuously isotropize any anisotropic solution of the Einstein field equations, and b)…

广义相对论与量子宇宙学 · 物理学 2019-10-11 R. Casadio , E. Contreras , J. Ovalle , A. Sotomayor , Z. Stuchlick

In the present paper we consider convection and cracking instabilities as well as their interplay. We develop a simple criterion to identify equations of state unstable to convection, and explore the influence of buoyancy on cracking (or…

广义相对论与量子宇宙学 · 物理学 2018-11-14 Héctor Hernández , Luis A. Núñez , Adriana Vásquez-Ramírez
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