中文
相关论文

相关论文: Charged Gravastars with Conformal Motion in f(R,T)…

200 篇论文

This study explores the effect of charge on a special astronomical object known as a gravastar, which is viewed as an alternative to a black hole. Based on the conjecture put out by Mazur and Mottola in general relativity, the study…

广义相对论与量子宇宙学 · 物理学 2024-05-01 Faisal Javed , Arfa Waseem , G. Mustafa , Fairouz Tchier , Farruh Atamurotov , Bobomurat Ahmedov , Ahmadjon Abdujabbarov

This paper studies the influence of charge on a compact stellar structure also regarded as vacuum condensate star in the background of $f(\mathfrak{R},\mathcal{T}^{2})$ gravity. This object is considered the alternate of black hole whose…

广义相对论与量子宇宙学 · 物理学 2022-08-10 M. Sharif , Saba Naz

We propose a unique stellar model under the $f(R,\mathcal{T})$ gravity by using the conjecture of Mazur-Mottola [P. Mazur and E. Mottola, Report number: LA-UR-01-5067., P. Mazur and E. Mottola, Proc. Natl. Acad. Sci. USA 101, 9545 (2004)]…

广义相对论与量子宇宙学 · 物理学 2017-06-14 Amit Das , Shounak Ghosh , B. K. Guha , Swapan Das , Farook Rahaman , Saibal Ray

This paper investigates the influence of charge on physical features of gravastars in the framework of energy-momentum squared gravity. A gravastar is an alternate model to a black hole that comprises of three distinct regions, namely the…

广义相对论与量子宇宙学 · 物理学 2022-04-06 M. Sharif , Saba Naz

In the present paper we propose a stellar model under the $f(\mathbb{T})$ gravity following the conjecture of Mazur-Mottola~[Report number: LA-UR-01-5067 (2001); Proc. Natl. Acad. Sci. USA 101 (2004) 9545] known in literature as {\it…

广义相对论与量子宇宙学 · 物理学 2020-03-25 Amit Das , Shounak Ghosh , Debabrata Deb , Farook Rahaman , Saibal Ray

We propose a stellar model under the $f(\mathbb{T},\mathcal{T})$ gravity following Mazur-Mottola's conjecture [Mazur (2001), Mazur (2004)] known as gravastar which is generally believed as a viable alternative to black hole. The gravastar…

广义相对论与量子宇宙学 · 物理学 2020-03-09 Shounak Ghosh , A. D. Kanfon , Amit Das , M. J. S. Houndjo , I. G. Salako , Saibal Ray

In this paper, we discuss some feasible features of gravastar that were firstly demonstrated by Mazur and Mottola. It is already established that gravastar associates the de-Sitter spacetime in its inner sector with the Schwarzschild…

广义相对论与量子宇宙学 · 物理学 2020-05-05 M. Z. Bhatti , Z. Yousaf , A. Rehman

We propose a new model of a {\it gravastar} admitting conformal motion. While retaining the framework of the Mazur-Mottola model, the gravastar is assumed to be internally charged, with an exterior defined by a Reissner-Nordstr{\"o}m rather…

广义相对论与量子宇宙学 · 物理学 2011-06-06 A A Usmani , Farook Rahaman , Saibal Ray , K K Nandi , Peter K. F. Kuhfittig , Sk. A Rakib , Z Hasan

This work proposes a stellar model under Gauss-Bonnet $f(\mathcal{G}, T)$ gravity with the conjecture theorised by Mazur and Mottola, well known as the gravitational vacuum stars (gravastars). By taking into account the $f(\mathcal{G},T)$…

广义相对论与量子宇宙学 · 物理学 2018-05-24 M. Farasat Shamir , Mushtaq Ahmad

In this paper, model of charged gravastar under $f(T)$ modified gravity is obtained. The model has been explored by taking the diagonal tetrad field of static spacetime together with electric charge. To solve the Einstein-Maxwell field…

广义相对论与量子宇宙学 · 物理学 2021-06-18 Piyali Bhar , Pramit Rej

In this article, we are reporting for the first time the existence of gravastar configurations in the framework of K(R,T)-gravity, which can be treated as an alternative to a black hole (Mazur and Mottola). This strengthens how much this…

广义相对论与量子宇宙学 · 物理学 2023-08-22 GRP Teruel , Ksh. Newton Singh , Tanmoy Chowdhury , Farook Rahaman , Monimala Mondal

In this work, we discuss the configuration of a gravastar (gravitational vacuum stars) in the context of $f(R, \,T )$ gravity by employing the Mazur-Mottola conjecture [P. Mazur and E. Mottola, Report No. LA-UR-01-5067; P. Mazur and E.…

广义相对论与量子宇宙学 · 物理学 2021-08-26 Piyali Bhar , Pramit Rej

In the present work, we have discussed the four dimensional spherically symmetric steller system in the framework of modified $f(T)$ gravity theory with electro-magnetic field. The field equations have been written for two cases, either…

广义相对论与量子宇宙学 · 物理学 2019-07-24 Ujjal Debnath

Gravastars are considered as one of the prime exotic type compact objects which may be found at the end state of gravitational collapse of massive stars with a view to resolve the complexities that are pertinent in case of a black hole…

广义相对论与量子宇宙学 · 物理学 2024-08-22 Debadri Bhattacharjee , Pradip Kumar Chattopadhyay

This paper discusses the configuration of gravitational vacuum star or gravastar with the impact of geometry and matter coupling present in $f(R,T)$ gravity. The gravastar is also conceptualized as a substitute for a black hole which is…

广义相对论与量子宇宙学 · 物理学 2020-12-07 M. Sharif , Arfa Waseem

In the last few decades, gravastars have been proposed as an alternative to black holes. The stability of the gravastar has been studied in many modified theories of gravity along with Einstein's GR. The $f(Q,T)$ gravity, a successfully…

广义相对论与量子宇宙学 · 物理学 2023-08-09 Sneha Pradhan , Debasmita Mohanty , P. K. Sahoo

Gravastars have been considered as a feasible alternative to black holes in the past couple of decades. Stable models of gravastar have been studied in many of the alternative gravity theories besides standard General Relativity (GR). The…

广义相对论与量子宇宙学 · 物理学 2021-07-14 Shounak Ghosh , Sagar Dey , Amit Das , Anirban Chanda , B C Paul

The Gravastar ( or the Gravitational Vacuum Star ) is a very serious alternatives proposed to the principle of the Black Hole, the model of which was originally developed by Mazur and Mottola. A Gravastar is an astronomically hypothetically…

广义相对论与量子宇宙学 · 物理学 2024-07-16 Meghanil Sinha , S. Surendra Singh

In this paper, we investigate the effects of electromagnetic field on the isotropic spherical gravastar models in metric $f(R,T)$ gravity. For this purpose, we have explored singularity-free exact models of relativistic spheres with a…

广义相对论与量子宇宙学 · 物理学 2020-03-03 Z. Yousaf , Kazuharu Bamba , M. Z. Bhatti , U. Ghafoor

In this paper, we analyze a few physical characteristics of gravastar with cylindrical geometry in $f(R,T)$ theory, where $R$ is the Ricci scalar and $T$ is the trace of energy-momentum tensor. The gravastar is generally considered to be a…

广义相对论与量子宇宙学 · 物理学 2021-07-05 Z. Yousaf , Kazuharu Bamba , M. Z. Bhatti
‹ 上一页 1 2 3 10 下一页 ›