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相关论文: Charged Anisotropic Finch-Skea-Bardeen Spheres

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We present a new class of solutions to the Einstein field equations for an anisotropic matter distribution in which the interior space-time obeys the Karmarkar condition. The necessary and sufficient condition required for a spherically…

综合物理 · 物理学 2017-01-10 Ksh. Newton Singh , Neeraj Pant , M. Govender

We investigate various anisotropic spherical distributions of charged celestial bodies within the context of f(R) gravity, where R represents the Ricci scalar. The properties of specific charged compact objects are analyzed by using the…

广义相对论与量子宇宙学 · 物理学 2025-05-13 W. U. Rahman , M. Ilyas , Yi Zhong , De-Liang Yao

Current study is focussed to discuss the existence of a new family of compact star solutions by adopting the Karmarkar condition in the background of Bardeen black hole geometry. For this purpose, we consider static spherically symmetric…

广义相对论与量子宇宙学 · 物理学 2020-07-07 G. Mustafa , M. Farasat Shamir , Mushtaq Ahmad

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

The primary objective of this work is to study the dynamical characteristics of an anisotropic compact star model with spherical symmetry. This investigation is conducted in the framework of $f(Q)$ modified gravity. To simplify the…

广义相对论与量子宇宙学 · 物理学 2023-12-29 G. Mustafa , Allah Ditta , Saadia Mumtaz , S. K. Maurya , Değer Sofuoğlu

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

In this paper, we have introduced new viable solutions of Einstein-Maxwell field equations by incorporating the features of anisotropic matter distribution in the realm of General theory of Relativity ($GR$). For this procurement, we have…

广义相对论与量子宇宙学 · 物理学 2023-03-29 H. Nazar , M. Azam , G. Abbas , R. Ahmed , R. Naeem

A class of solutions of Einstein field equations satisfying Karmarkar embedding condition is presented which could describe static, spherical fluid configurations, and could serve as models for compact stars. The fluid under consideration…

广义相对论与量子宇宙学 · 物理学 2021-03-24 Lipi Baskey , Shyam Das , Farook Rahaman

This study investigates the behavior of charged compact stars within the $f(\mathfrak{Q}, \mathcal{T})$ gravitational framework, where $\mathfrak{Q}$ denotes the non-metricity scalar and $\mathcal{T}$ represents the trace of the…

广义相对论与量子宇宙学 · 物理学 2026-04-07 M. Sharif , Iqra Ibrar

In this study, we present a generalized spherically symmetric, anisotropic and static compact stellar model in $f(T)$ gravity, where $T$ represents the torsion scalar. By employing the Karmarkar condition we have obtained embedding class 1…

广义相对论与量子宇宙学 · 物理学 2018-11-30 Debabrata Deb , Shounak Ghosh , S. K. Maurya , Maxim Khlopov , Saibal Ray

The main emphasis of this paper is to find the viable solutions of Einstein Maxwell fields equations of compact star in context of modified $f(R)$ theory of gravity. Two different models of modified $f(R)$ gravity are considered. In…

广义相对论与量子宇宙学 · 物理学 2023-05-16 M. Farasat Shamir , Aisha Rashid

This paper is devoted to discuss compact stars in $f(\mathscr{R},\mathscr{G})$ gravity, where $\mathscr{R}$ and $\mathscr{G}$ denote the Ricci scalar and Gauss-Bonnet invariant respectively. To meet this aim, we consider spherically…

广义相对论与量子宇宙学 · 物理学 2020-05-11 G. Mustafa , M. Farasat Shamir , Xia Tie-Cheng

In this manuscript, we study the behavior of charged isotropic compact stellar objects within the framework of the modified Gauss-Bonnety theory of gravity by considering the Tolman Kuchowicz spacetime. We use some matching conditions of…

广义相对论与量子宇宙学 · 物理学 2024-06-25 Adnan Malik

In this work we obtain an analytic and well behaved solution to Einstein's field equations describing anisotropic matter distribution. It's achieved in the embedding class one spacetime framework using Karmarkar's condition. We ansatz the…

广义相对论与量子宇宙学 · 物理学 2018-10-29 Francisco Tello-Ortiz

The main focus of this paper is to discuss the solutions of Einstein-Maxwell's field equations for compact stars study. We have chosen the MIT bag model equation of state for the pressure-energy density relationship and conformal Killing…

广义相对论与量子宇宙学 · 物理学 2020-11-16 M. Farasat Shamir

In this exposition, we seek solutions of the Einstein-Maxwell field equations in the presence of a massive scalar field cast in the Brans-Dicke (BD) formalism which describes charged anisotropic strange stars. The interior spacetime is…

广义相对论与量子宇宙学 · 物理学 2020-12-08 S. K. Maurya , Ksh. Newton Singh , M. Govender , Abdelghani Errehymy

In the present article authors investigate the anisotropic stellar solutions admitting Finch-Skea symmetry (viable and non-singular metric potentials) in the presence of some exotic matter fields, such as: Bose-Einstein Condensate (BEC)…

广义相对论与量子宇宙学 · 物理学 2022-11-04 Oleksii Sokoliuk , Alexander Baransky , P. K. Sahoo

A new class of solutions describing the composition of compact stars has been proposed, assuming that the fluid distribution inside the star is anisotropic. This is achieved by assuming the appropriate metric potential and then solving…

综合物理 · 物理学 2020-03-11 D. M. Pandya , B. Thakore , R. Goti , J. P. Rank , S. Shah

The manifesto of the current article is to investigate the compact anisotropic matter profiles in the context of one of the modified gravitational theories, known as $f(\mathcal{R}, \mathcal{T})$ gravity, where $\mathcal{R}$ is a Ricci…

广义相对论与量子宇宙学 · 物理学 2021-01-05 G. Mustafa , Xia Tie-Cheng , Mushtaq Ahmad , M. Farasat Shamir

In this work, we report a new exact solution of Einstein's field equations for static spherically symmetric anisotropic matter distributions on the background of paraboloidal spacetime by assuming a quadratic equation of state. The model…

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