Does dynamical wormhole evolve from emergent scenario?

IF 1.9 4区物理与天体物理 Q2 ASTRONOMY & ASTROPHYSICS

New Astronomy Pub Date : 2024-05-06 DOI:10.1016/j.newast.2024.102248

Dhritimalya Roy , Ayanendu Dutta , Bikram Ghosh , Subenoy Chakraborty

引用次数: 0

Abstract

In the present work we analyze a dynamical wormhole solution with two fluids system (one isotropic and homogeneous and the other being inhomogeneous and anisotropic in nature) as the matter at the throat. We choose two different forms of Equation of State(EoS) and investigate two solutions of the wormhole geometry. The properties to ensure existence and traversability has been analyzed. Also, the model of the dynamic wormhole has been examined for a possibility of the Emergent Universe(EU) model in cosmological context. Finally, for the dynamical wormholes so obtained, Null Energy Condition(NEC) has been examined near the throat.

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动态虫洞是由突发情景演化而来的吗？

在本研究中，我们分析了以两种流体系统（一种是各向同性的均质流体系统，另一种是非均质的各向异性流体系统）作为咽喉物质的动力学虫洞解决方案。我们选择了两种不同形式的状态方程（EoS），并研究了虫洞几何的两种解。我们分析了确保虫洞存在和可穿越的特性。此外，我们还研究了动态虫洞的模型，以寻找宇宙学背景下新兴宇宙（EU）模型的可能性。最后，对所得到的动态虫洞的咽喉附近的空能量条件（NEC）进行了研究。

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

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.