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arXiv 2307.04556gr-qc
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毛状Kiselev黑洞解

Hairy Kiselev Black Hole Solutions

Yaghoub Heydarzade, Maxim Misyura, Vitalii Vertogradov

AI总结:

本文提出毛状Kiselev黑洞解,推广毛状史瓦西解,并分析背景场与毛对测地线运动的影响,指出特定条件下修正项可与史瓦西情形相当。

摘要:

在天体物理学领域,黑洞存在于非真空宇宙学背景中,因此研究这些背景如何影响黑洞的性质至关重要。在这项工作中,我们首先引入了一个新的静态球对称爱因斯坦场方程的精确解,代表一个被包围的毛状黑洞。该解是最近使用扩展引力解耦方法推导出的毛状史瓦西解的一个推广。然后,我们讨论了由主毛和各种背景场引起的新诱导修正项如何影响测地线运动,并与传统的史瓦西情形进行比较。尽管这些修正项在大多数情况下可能显得微不足道,但我们确定了在特定背景场下它们可以与史瓦西情形相当的特定条件。

英文摘要:

In the realm of astrophysics, black holes exist within nonvacuum cosmological backgrounds, making it crucial to investigate how these backgrounds influence the properties of black holes. In this work, we first introduce a novel static spherically-symmetric exact solution of Einstein field equations representing a surrounded hairy black hole. This solution represents a generalization of the hairy Schwarzschild solution recently derived using the extended gravitational decoupling method. Then, we discuss how the new induced modification terms attributed to the primary hairs and various background fields affect the geodesic motion in comparison to the conventional Schwarzschild case. Although these modifications may appear insignificant in most cases, we identify specific conditions where they can be comparable to the Schwarzschild case for some particular background fields.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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