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相关论文: Complexity factor of spherically anisotropic polyt…

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In this paper, we consider static spherical structure to develop some anisotropic solutions by employing the extended gravitational decoupling scheme in the background of…

广义相对论与量子宇宙学 · 物理学 2023-02-10 M. Sharif , Tayyab Naseer

In this paper, we adopt minimal gravitational decoupling scheme to extend a non-static spherically symmetric isotropic composition to anisotropic interior in…

广义相对论与量子宇宙学 · 物理学 2023-08-03 M. Sharif , Tayyab Naseer

In this paper, we investigate complexity of anisotropic cylindrical object under the influence of electromagnetic field in $f(G,T)$ theory, where $G$ and $T$ indicate the Gauss-Bonnet term and trace of the stress-energy tensor,…

广义相对论与量子宇宙学 · 物理学 2023-01-12 M. Sharif , Komal Hassan

This paper investigates the behavior of anisotropic static spheres that are constructed by employing a minimal geometric deformation in the framework of $f(R,T^{2})$ gravity ($T^{2}=T_{\zeta\nu}T^{\zeta\nu}$, $R$ is the Ricci scalar and…

广义相对论与量子宇宙学 · 物理学 2022-07-13 M. Sharif , Shazmeena Iltaf

In this work we analyse the stability of self gravitating spheres in the context of gravitational cracking. Besides exploring the role played by the anisotropy in the occurrence of cracking, we also study the effect of the complexity factor…

广义相对论与量子宇宙学 · 物理学 2021-07-14 E. Contreras , E. Fuenmayor

In this work, we have adopted gravitational decoupling by Minimal Geometric Deformation (MGD) approach and have developed an anisotropic version of well-known Tolman VII isotropic solution in the framework of $f(R, T)$ gravity, where $R$ is…

广义相对论与量子宇宙学 · 物理学 2021-06-17 Hina Azmat , M. Zubair

We put forward a new definition of complexity, for static and spherically symmetric self--gravitating systems, based on a quantity, hereafter referred to as complexity factor, that appears in the orthogonal splitting of the Riemann tensor,…

广义相对论与量子宇宙学 · 物理学 2018-03-14 L. Herrera

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

Although the interpretation of complexity in extended theories of gravity is available in the literature, its illustration in $f(R,L_{m},\mathcal{T})$ theory is still ambiguous. The orthogonal decomposition of the Riemann tensor results in…

广义相对论与量子宇宙学 · 物理学 2025-06-23 A. Rehman , Tayyab Naseer , Nazek Alessa , Abdel-Haleem Abdel-Aty

We generalized Herrera's definition of complexity factor for static spherically symmetric fluid distributions to Rastall-Rainbow theory of gravity. For this purpose, an energy-dependent equation of motion is employed in accordance with the…

广义相对论与量子宇宙学 · 物理学 2024-10-07 Zhou-Li Ye , Yu Wang , Rui-Xin Yang , Dao-Jun Liu

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

The purpose of this paper is to obtain exact solutions for charged anisotropic spherically symmetric matter configuration. For this purpose, we consider known solution for isotropic spherical system in the presence of electromagnetic field…

广义相对论与量子宇宙学 · 物理学 2018-07-04 M. Sharif , Sobia Sadiq

In this paper, we consider isotropic solution and extend it to two different exact well-behaved spherical anisotropic solutions through minimal geometric deformation method in $f(R,T,R_{\rho\eta}T^{\rho\eta})$ gravity. We only deform the…

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

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

In this paper, we study the complexity factor of a static anisotropic sphere in the context of self-interacting Brans-Dicke theory. We split the Riemann tensor using Bel's approach to obtain structure scalars relating to comoving congruence…

广义相对论与量子宇宙学 · 物理学 2019-10-23 M. Sharif , Amal Majid

In this work, we present a class of relativistic and well-behaved solution to Einstein's field equations for anisotropic matter distribution. We perform our analysis by using the Buchdahl ansatz for the metric function grr. Three different…

广义相对论与量子宇宙学 · 物理学 2022-03-29 Amit Kumar Prasad , Jitendra Kumar

In this article, an exact solution of Einstein's field equations for spherically symmetric anisotropic matter distributions in isotropic coordinates is obtained. For this, the solution has been obtained by using a generalized physically…

广义相对论与量子宇宙学 · 物理学 2025-08-25 B S Ratanpal , Bhavesh Suthar

The objective of this paper is to discuss anisotropic solutions representing static spherical self-gravitating systems in $f(R)$ theory. We employ the extended gravitational decoupling approach and transform temporal as well as radial…

广义相对论与量子宇宙学 · 物理学 2021-07-28 M. Sharif , Mariyah Aslam

In this work, we construct stellar models ba-\break sed on the complexity factor as a supplementary condition which allows to close the system of differential equations arising from the Gravitational Decoupling. The assumed complexity is a…

广义相对论与量子宇宙学 · 物理学 2021-10-20 J. Andrade , E. Contreras

In this paper we show that any static and spherically symmetric anisotropic solution of the Einstein field equations can be thought as a system sourced by certain deformed isotropic system in the context of Minimal Geometric…

广义相对论与量子宇宙学 · 物理学 2018-09-26 Ernesto Contreras