Kiselev-inspired wormholes

IF 2.5 3区 物理与天体物理 Q2 PHYSICS, PARTICLES & FIELDS
Jureeporn Yuennan , Piyachat Panyasiripan , Phongpichit Channuie
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Abstract

In this study, we investigate traversable wormholes inspired by the Kiselev framework, which extends classical black hole solutions by incorporating anisotropic fluids. These exotic fluids play a crucial role in cosmology, particularly in explaining phenomena such as the accelerated expansion of the universe. We generalize the Kiselev framework to static, spherically symmetric traversable wormholes and analyze their properties under two distinct models of the redshift function: a constant redshift function and one that varies inversely with the radial coordinate. We examine the energy conditions—specifically the Null Energy Condition (NEC), Weak Energy Condition (WEC), and Strong Energy Condition (SEC)—for these models, demonstrating that only certain exotic fluids can sustain the wormhole structure. Furthermore, we quantify the amount of exotic matter required to maintain these wormholes using the volume integral quantifier and compare our results with other wormhole models. Additionally, we compute the effective potential for photons in Kiselev-inspired wormholes under both redshift function models and analyze their implications for weak gravitational lensing. Our findings suggest that Kiselev-inspired wormholes could serve as viable candidates for exotic geometries, potentially paving the way for future observational verification.
在这项研究中,我们研究了受基谢廖夫框架启发的可穿越虫洞,该框架通过纳入各向异性流体扩展了经典黑洞解决方案。这些奇异流体在宇宙学中发挥着至关重要的作用,尤其是在解释宇宙加速膨胀等现象方面。我们将基谢廖夫框架推广到静态、球面对称的可穿越虫洞,并分析了虫洞在两种不同的红移函数模型下的特性:恒定红移函数和随径向坐标反向变化的红移函数。我们研究了这些模型的能量条件,特别是空能量条件(NEC)、弱能量条件(WEC)和强能量条件(SEC),证明只有某些奇异流体才能维持虫洞结构。此外,我们还利用体积积分量化器量化了维持这些虫洞所需的奇异物质数量,并将我们的结果与其他虫洞模型进行了比较。此外,我们还计算了两种红移函数模型下基塞廖夫启发虫洞中光子的有效势能,并分析了它们对弱引力透镜的影响。我们的研究结果表明,基谢廖夫启发的虫洞可以作为奇异几何的可行候选者,为未来的观测验证铺平道路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Nuclear Physics B
Nuclear Physics B 物理-物理:粒子与场物理
CiteScore
5.50
自引率
7.10%
发文量
302
审稿时长
1 months
期刊介绍: Nuclear Physics B focuses on the domain of high energy physics, quantum field theory, statistical systems, and mathematical physics, and includes four main sections: high energy physics - phenomenology, high energy physics - theory, high energy physics - experiment, and quantum field theory, statistical systems, and mathematical physics. The emphasis is on original research papers (Frontiers Articles or Full Length Articles), but Review Articles are also welcome.
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