中文
相关论文

相关论文: Anisotropic Tolman V Solution by Minimal Gravitati…

200 篇论文

Using the gravitational decoupling by the minimal geometric deformation approach, we build an anisotropic version of the well-known Tolman VII solution, determining an exact and physically acceptable interior two-fluid solution that can…

广义相对论与量子宇宙学 · 物理学 2019-10-23 Sudipta Hensh , Zdeněk Stuchlík

We use gravitational decoupling to establish a connection between the minimal geometric deformation approach and the standard method for obtaining anisotropic fluid solutions. Motivated by the relations that appear in the framework of…

广义相对论与量子宇宙学 · 物理学 2020-03-04 Gabriel Abellán , Victor Torres , Ernesto Fuenmayor , Ernesto Contreras

In this article, we propose a physical condition to extend interior isotropic solutions to anisotropic domains by gravitational decoupling in the framework of the Minimal Geometric Deformation approach. In particular, it is found that by…

广义相对论与量子宇宙学 · 物理学 2020-03-24 Gabriel Abellán , Angel Rincon , Ernesto Fuenmayor , Ernesto Contreras

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

This paper is devoted to evaluating exact anisotropic spherical solutions for static self-gravitating systems through extended geometric deformation decoupling technique. For this purpose, we consider an isotropic Tolman IV solution and…

广义相对论与量子宇宙学 · 物理学 2020-04-22 M. Sharif , Qanitah Ama-Tul-Mughani

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

In this paper, we derive multiple anisotropic analogs from the established isotropic model by means of the gravitational decoupling approach in a fluid-geometry interaction based theory. To accomplish this, we initially consider a static…

广义相对论与量子宇宙学 · 物理学 2025-02-24 Tayyab Naseer , G. Mustafa

We show the first simple, systematic and direct approach to decoupling gravitational sources in general relativity. As a direct application, a robust and simple way to generate anisotropic solutions for self-gravitating systems from perfect…

广义相对论与量子宇宙学 · 物理学 2017-05-24 Jorge Ovalle

The effective action for quantum gravity coupled to matter contains corrections arising from the functional measure. We analyse the effect of such corrections for anisotropic self-gravitating compact objects described by means of the…

广义相对论与量子宇宙学 · 物理学 2025-07-29 R. Casadio , I. Kuntz , R. da Rocha

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 work we propose a novel approach to integrate the Lane-Emden equations for relativistic anisotropic polytropes. We take advantage of the fact that Gravitational Decoupling allows to decrease the number of degrees of freedom once a…

广义相对论与量子宇宙学 · 物理学 2022-09-07 D. Santana , E. Fuenmayor , E. Contreras

We investigate the extension of isotropic interior solutions for static self-gravitating systems to include the effects of anisotropic spherically symmetric gravitational sources by means of the gravitational decoupling realised via the…

广义相对论与量子宇宙学 · 物理学 2018-02-13 J Ovalle , R Casadio , R da Rocha , A Sotomayor

In this work we develop a simple protocol to construct interior solutions through Gravitational Decoupling by the Minimal Geometric Deformation extended satisfying the vanishing complexity condition. The method is illustrated by using…

广义相对论与量子宇宙学 · 物理学 2022-09-07 E. Contreras , Z. Stuchlik

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 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

This paper formulates some new exact solutions to the field equations by means of minimal gravitational decoupling in the context of $f(\mathbb{R},\mathbb{T})$ gravity. For this purpose, we consider anisotropic spherical matter distribution…

广义相对论与量子宇宙学 · 物理学 2022-12-14 M. Sharif , Tayyab Naseer

This work is focused in the study of analytic anisotropic solutions to Einstein's field equations, describing spherically symmetric and static configurations by way of the gravitational decoupling through the method of Minimal Geometric…

广义相对论与量子宇宙学 · 物理学 2019-03-27 Milko Estrada , Francisco Tello-Ortiz

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

By using the gravitational decoupling through the minimal geometric deformation approach (MGD-decoupling), we show a simple and powerful method to generate physically acceptable exact analytical solutions for anisotropic stellar…

广义相对论与量子宇宙学 · 物理学 2018-11-06 J Ovalle , A Sotomayor

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
‹ 上一页 1 2 3 10 下一页 ›