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arXiv 2307.14830gr-qchep-th
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关于三维引力中无黑洞定理的注记

Notes on no black hole theorem in three dimensional gravity

Pujian Mao, Weicheng Zhao

AI总结:

该研究将4D Newman-Penrose形式体系适配到三维引力,在广义Newman-Unti规范下证明无黑洞定理在NP方程中显见,同时证实三维黑洞解需负宇宙学常数。

摘要:

本文采用广义Newman-Unti规范下的Newman-Penrose形式体系,重新研究三维(3D)引力中的无黑洞定理。在将成熟的4D NP形式体系及其规范与坐标系适配到三维引力后,我们证明无黑洞定理在NP方程中是显见的。我们进一步详细研究了三维带电旋转解的视界性质,并证实黑洞解需要负的宇宙学常数。

英文摘要:

In this paper, we revisit the no black hole theorem in three dimensional (3D) gravity in the Newman-Penrose formalism in a generalized Newman-Unti gauge. After adapting the well established 4D NP formalism and its gauge and coordinates system to 3D gravity, we show that the no black hole theorem is manifest in the NP equations. We further study in detail the horizon properties of the 3D charged rotating solutions and confirm that a black hole solution requires a negative cosmological constant.

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