四维恒定标量曲率的轴对称静止空间-时间

IF 1.2 4区 物理与天体物理 Q3 ASTRONOMY & ASTROPHYSICS Gravitation and Cosmology Pub Date : 2023-06-10 DOI:10.1134/S0202289323020032
Rosikhuna F. Assafari, Emir S. Fadhilla, Bobby E. Gunara,  Hasanuddin, Abednego Wiliardy
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引用次数: 2

摘要

构造了一类特殊的四维轴对称静止时空,其里奇标量是常数,但不是爱因斯坦时空。我们发现这个解有一个环奇点。最后,我们讨论了这些时空的一些数值结果。
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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Axisymmetric Stationary Space-Times of Constant Scalar Curvature in Four Dimensions

We construct a special class of four-dimensional axisymmetric stationary space-times whose Ricci scalar is constant but are not Einstein space-times. We find that this solution has a ring singularity. At the end, we discuss some numerical results for these space-times.

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来源期刊
Gravitation and Cosmology
Gravitation and Cosmology ASTRONOMY & ASTROPHYSICS-
CiteScore
1.70
自引率
22.20%
发文量
31
审稿时长
>12 weeks
期刊介绍: Gravitation and Cosmology is a peer-reviewed periodical, dealing with the full range of topics of gravitational physics and relativistic cosmology and published under the auspices of the Russian Gravitation Society and Peoples’ Friendship University of Russia. The journal publishes research papers, review articles and brief communications on the following fields: theoretical (classical and quantum) gravitation; relativistic astrophysics and cosmology, exact solutions and modern mathematical methods in gravitation and cosmology, including Lie groups, geometry and topology; unification theories including gravitation; fundamental physical constants and their possible variations; fundamental gravity experiments on Earth and in space; related topics. It also publishes selected old papers which have not lost their topicality but were previously published only in Russian and were not available to the worldwide research community
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