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相关论文: Using MGD gravitational decoupling to extend the i…

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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

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

The main objective of this work, is to show two inequivalent methods to obtain new spherical symmetric solutions of Einstein's Equations with anisotropy in the pressures in isotropic coordinates. This was done inspired by the MGD method,…

广义相对论与量子宇宙学 · 物理学 2020-01-08 C. Las Heras , P. León

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

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

Durgapal's fifth isotropic solution describing spherically symmetric and static matter distribution is extended to an anisotropic scenario. To do so we employ the gravitational decoupling through the minimal geometric deformation scheme.…

广义相对论与量子宇宙学 · 物理学 2018-11-14 E. Morales , Francisco Tello-Ortiz

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

We study the minimal geometric deformation decoupling in $2+1$ dimensional space--times and implement it as a tool for obtaining anisotropic solutions from isotropic geometries. Interestingly, both the isotropic and the anisotropic sector…

广义相对论与量子宇宙学 · 物理学 2019-07-03 Ernesto Contreras , Pedro Bargueño

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 investigate how a spherically symmetric scalar field can modify the Schwarzschild vacuum solution when there is no exchange of energy-momentum between the scalar field and the central source of the Schwarzschild metric. This system is…

广义相对论与量子宇宙学 · 物理学 2018-11-22 J Ovalle , R Casadio , R da Rocha , A Sotomayor , Z Stuchlik

In the context of the Minimal Geometric Deformation method, in this paper we implement the inverse problem in a black hole scenario. In order to deal with an anisotropic polytropic black hole solution of the Einstein field equations with…

广义相对论与量子宇宙学 · 物理学 2018-12-04 Ernesto Contreras , Pedro Bargueño

This paper formulates three different analytical solutions to the gravitational field equations in the framework of Rastall theory by taking into account the gravitational decoupling approach. For this, the anisotropic spherical interior…

广义相对论与量子宇宙学 · 物理学 2025-01-08 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 employ the minimal geometric deformation approach to gravitational decoupling (MGD- decoupling) in order to build an exact anisotropic version of the Schwarzschild interior solution in a space-time with cosmological constant. Contrary to…

广义相对论与量子宇宙学 · 物理学 2019-06-26 L. Gabbanelli , J. Ovalle , A. Sotomayor , Z. Stuchlik , R. Casadio

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

In this work we implement the Minimal Geometric Deformation method to obtain the isotropic sector and the decoupler matter content of any anisotropic solution of the Einstein field equations with cosmological constant in $2+1$ dimensional…

广义相对论与量子宇宙学 · 物理学 2019-06-28 Ernesto Contreras

The present paper is devoted to investigating the possibility of getting stellar interiors for ultra-dense compact spherical systems portraying an anisotropic matter distribution employing the gravitational decoupling by means of Minimal…

广义相对论与量子宇宙学 · 物理学 2020-03-12 S. K. Maurya , Abdelghani Errehymy , Ksh. Newton Singh , Francisco Tello-Ortiz , Mohammed Daoud

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

This article is devoted to the study of high dense charged anisotropic compact structures in the framework of $f(R,\mathcal{T})$ gravity theory. The principal aims of this investigation, regard the extension of the isotropic…

广义相对论与量子宇宙学 · 物理学 2019-08-22 S. K. Maurya , Francisco Tello-Ortiz

We consider Einstein-Weyl gravity with a minimally coupled scalar field in four dimensional spacetime. By using the Minimal Geometric Deformation (MGD) approach, we split the highly nonlinear coupled field equations into two subsystems that…

广义相对论与量子宇宙学 · 物理学 2023-11-09 Ming Zhang , Sheng-Yuan Li , De-Cheng Zou , Chao-Ming Zhang
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