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相关论文: Influence of Charge on Anisotropic Class-one Solut…

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We present here a detailed analysis on the effects of charge on the anisotropic strange star candidates by considering a spherically symmetric interior spacetime metric. To obtain exact solution of the Einstein-Maxwell field equations we…

广义相对论与量子宇宙学 · 物理学 2018-07-04 Debabrata Deb , Maxim Khlopov , Farook Rahaman , Saibal Ray , B. K. Guha

Current study highlights the physical characteristics of charged anisotropic compact stars by exploring some exact solutions of modified field equations in $f(R,G)$ gravity. A comprehensive analysis is performed from the obtained solutions…

广义相对论与量子宇宙学 · 物理学 2018-06-13 M. Farasat Shamir , Saeeda Zia

In this paper, we explore the effect of charge on the stability of pulsar star SAX J1748.9-2021 in $f(Q)$ gravity, where $Q$ represents non-metricity. For this purpose, we apply the Krori-Barua metric ansatz with anisotropic fluid and use a…

广义相对论与量子宇宙学 · 物理学 2025-02-07 M. Sharif , Madiha Ajmal

We consider the general situation of a compact relativistic body with anisotropic pressures in the presence of the electromagnetic field. The equation of state for the matter distribution is linear and may be applied to strange stars with…

广义相对论与量子宇宙学 · 物理学 2009-01-16 S. Thirukkanesh , S. D. Maharaj

In this paper, we investigate the impact of charge on the stability of the pulsar star SAX J1748.9-2021 within the context of $f(\mathbb{Q}, \mathcal{T})$ theory, where $\mathbb{Q}$ and $\mathcal{T}$ represent the non-metricity scalar and…

广义相对论与量子宇宙学 · 物理学 2025-05-05 M. Sharif , Iqra Ibrar

This paper aims to explore some realistic configurations of anisotropic spherical structures in the background of metric $f(R)$ gravity, where $R$ is the Ricci scalar. The solutions obtained by Krori and Barua are used to examine the nature…

广义相对论与量子宇宙学 · 物理学 2017-11-08 Z. Yousaf , M. Sharif , M. Ilyas , M. Z. Bhatti

The present work is focused on the investigation of the existence of compact structures describing anisotropic matter distributions within the framework of modified gravity theories, specifically f(R,$\mathcal{T}$) gravity theory.…

广义相对论与量子宇宙学 · 物理学 2019-08-14 S. K. Maurya , Abdelghani Errehymy , Debabrata Deb , Francisco Tello-Ortiz , Mohammed Daoud

The main aim of this study is to examine the behaviour of physical parameters of an anisotropic compact star model demonstrating spherical symmetry in F(Q) modified gravity. To evaluate the behaviour and the stability of an anisotropic…

广义相对论与量子宇宙学 · 物理学 2025-05-26 Sat Paul , Jitendra Kumar , S. K. Maurya

This work is devoted to investigate some of the interior configuration of static anisotropic spherical stellar charged structures in the regime of $f(\mathcal{G})$ gravity, where $\mathcal{G}$ is the Gauss Bonnet invariant. The structure of…

综合物理 · 物理学 2018-09-24 Muhammad Ilyas

This study simulates strange stars in $f(Q)$ gravity with an additional source under an electric field using gravitational decoupling and the complete Gravitational Decoupling (CGD) technique. By employing the Tolman ansatz and the MIT bag…

广义相对论与量子宇宙学 · 物理学 2024-03-21 Santosh V. Lohakare , S. K. Maurya , Ksh. Newton Singh , B. Mishra , Abdelghani Errehymy

Ivanov pointed out substantial analytical difficulties associated with self-gravitating, static, isotropic fluid spheres when pressure explicitly depends on matter density. Simplification achieved with the introduction of electric charge…

广义相对论与量子宇宙学 · 物理学 2014-11-20 Victor Varela , Farook Rahaman , Saibal Ray , Koushik Chakraborty , Mehedi Kalam

Alternative gravity theory is currently an incredibly significant technique for addressing some enduring experimental difficulties, such as the universe's dark region. They may also be employed in celestial cosmology, producing results that…

广义相对论与量子宇宙学 · 物理学 2024-05-01 Tayyaba Naz , Adnan Malik , Zenab Ramay

In this work, we develop a new relativistic model for a charged anisotropic compact star in the framework of modified symmetric teleparallel gravity, namely $f(Q)$-Euler-Heisenberg gravity. By employing the MIT bag model equation of state,…

广义相对论与量子宇宙学 · 物理学 2025-12-03 Allah Ditta , M. Yousaf , G. Mustafa , S. K. Maurya , Farruh Atamurotov , Orhan Donmez , Sardor Murodov

This research paper investigates the impact of non-metricity and matter source on the geometry of charged spheres in the presence of anisotropic matter configuration. We use a specific model of extended symmetric teleparallel theory to…

广义相对论与量子宇宙学 · 物理学 2024-12-03 M. Zeeshan Gul , Faisal Javed , M. Sharif , Shalan Alkarni

This research develops a well-established analytical solution of the Einstein-Maxwell field equations. We analyze the behavior of a spherically symmetric and static interior driven by a charged anisotropic matter distribution. The class I…

广义相对论与量子宇宙学 · 物理学 2020-12-14 Y. Gomez-Leyton , Hina Javaid , L. S. Rocha , Francisco Tello-Ortiz

We model a compact relativistic body with anisotropic pressures in the presence of an electric field. The equation of state is barotropic with a linear relationship between the radial pressure and the energy density. Simple exact models of…

广义相对论与量子宇宙学 · 物理学 2015-06-17 P. Mafa Takisa , S. D. Maharaj

In this article we obtain a new anisotropic solution for Einstein's field equation of embedding class one metric. The solution is representing the realistic objects such as $Her~X-1$ and $RXJ~1856-37$. We perform detailed investigation of…

综合物理 · 物理学 2016-04-27 S. K. Maurya , Y. K. Gupta , Baiju Dayanandan , Saibal Ray

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 explore the existence of various non-singular compact stellar solutions influenced by the Maxwell field within the matter-geometry coupling based modified gravity. We start this analysis by considering a static spherically…

广义相对论与量子宇宙学 · 物理学 2024-09-04 Tayyab Naseer , Jackson Levi Said

In the present article, we have constructed a static charged anisotropic compact star model of Einstein field equations for a spherically symmetric space-time geometry. Specifically, we have extended the charged isotropic Heintzmann…

广义相对论与量子宇宙学 · 物理学 2018-08-29 E. Morales , Francisco Tello-Ortiz