利用 Karmarkar 方法研究带电虫洞结构的命运

IF 1.9 4区 物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS New Astronomy Pub Date : 2024-05-25 DOI:10.1016/j.newast.2024.102255
Iffat Fayyaz , Tayyaba Naz , Adnan Malik
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引用次数: 0

摘要

本研究的目的是通过创建带电虫洞形状函数的详细模型来阐述莫里斯-索恩虫洞概念。在广义相对论中发挥了重要作用的经典嵌入理论可以实现这一目标。在这里,我们假设红移函数和电荷,即ψ(r,Q2)=Log[1+Q2r2]和 Q(r)=ξr。在虫洞几何中,违反无效能量条件是导致奇异物质产生的关键因素。我们通过能量边界(空能量边界、弱能量边界和强能量边界)检验了我们的解决方案,以检查其稳定状态及其可行性。有趣的是,在目前的工作中,我们分析了电荷的存在会放大结果,并在广义相对论的背景下提供了可穿越的带电虫洞解决方案,而在咽喉附近没有奇异物质。
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Fate of charged wormhole structures utilizing Karmarkar approach

The purpose of this study is to elaborate on the Morris–Thorne wormhole notion by creating a detailed model of a charged wormhole shape function. The classical embedding theory, which has played a significant role in the general theory of relativity, accomplishes this objective. Here, we assume redshift function along with charge i.e. ψ(r,Q2)=Log[1+Q2r2] and Q(r)=ξr. For this particular choice, the surface redshift function remains positive and finite everywhere even for the larger range of radial coordinate r. In wormhole geometry, the violation of Null energy condition have a crucial role which leads to the exotic matter. We examined our solutions through energy bounds (Null, Weak and Strong energy bounds) to check their stable state and its viability. Interestingly, in present work we analyze that the presence of electric charge amplify the results and provides the traversable charged wormhole solutions without exotic matter near the throat in the context of general theory of relativity.

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来源期刊
New Astronomy
New Astronomy 地学天文-天文与天体物理
CiteScore
4.00
自引率
10.00%
发文量
109
审稿时长
13.6 weeks
期刊介绍: New Astronomy publishes articles in all fields of astronomy and astrophysics, with a particular focus on computational astronomy: mathematical and astronomy techniques and methodology, simulations, modelling and numerical results and computational techniques in instrumentation. New Astronomy includes full length research articles and review articles. The journal covers solar, stellar, galactic and extragalactic astronomy and astrophysics. It reports on original research in all wavelength bands, ranging from radio to gamma-ray.
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