A comprehensive analysis of charged pulsars and cracking condition

IF 5 2区 物理与天体物理 Q1 ASTRONOMY & ASTROPHYSICS Physics of the Dark Universe Pub Date : 2024-09-10 DOI:10.1016/j.dark.2024.101635
Guangjun Nan , M. Zeeshan Gul , M. Sharif , Adeeba Arooj
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Abstract

The main aim of this manuscript is to analyze the viability and stability of pulsars filled with charged anisotropic matter configuration in extended symmetric teleparallel theory. A particular model of this gravitational theory is considered to reduce the complexity of the system and formulate the explicit field equations which govern the interaction between matter and geometry. The configuration of static spherical symmetric structures is examined through the non-singular viable solutions. The undetermined constants in the metric coefficients are determined by the Darmois junction conditions. Further, we explore different physical characteristics in the interior of charged pulsars to check their viability. The equilibrium state of the charged stellar objects is discussed using the Tolman–Oppenheimer–Volkoff equation and the stability is examined by the causality condition, Herrera cracking approach and adiabatic index, respectively. Our findings indicate that the proposed charged stars in this modified gravity are physically viable and stable.

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带电脉冲星和裂解条件的综合分析
本手稿的主要目的是分析在扩展对称远平行理论中充满带电各向异性物质配置的脉冲星的可行性和稳定性。我们考虑了该引力理论的一个特殊模型,以降低系统的复杂性,并制定了支配物质与几何之间相互作用的显式场方程。通过非奇异可行解研究了静态球对称结构的构型。度量系数中的未确定常数由达摩交界条件决定。此外,我们还探索了带电脉冲星内部的不同物理特性,以检验其可行性。我们利用托尔曼-奥本海默-沃尔科夫方程讨论了带电恒星天体的平衡状态,并分别通过因果关系条件、埃雷拉裂缝方法和绝热指数考察了其稳定性。我们的研究结果表明,在这种修正引力下提出的带电恒星在物理上是可行和稳定的。
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来源期刊
Physics of the Dark Universe
Physics of the Dark Universe ASTRONOMY & ASTROPHYSICS-
CiteScore
9.60
自引率
7.30%
发文量
118
审稿时长
61 days
期刊介绍: Physics of the Dark Universe is an innovative online-only journal that offers rapid publication of peer-reviewed, original research articles considered of high scientific impact. The journal is focused on the understanding of Dark Matter, Dark Energy, Early Universe, gravitational waves and neutrinos, covering all theoretical, experimental and phenomenological aspects.
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