Rotating Black Holes in Randall-Sundrum II Braneworlds.

Rotating Black Holes in Randall-Sundrum II Braneworlds.
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兰德尔-桑德鲁姆 II 薄膜世界中的旋转黑洞。

DOI:
10.1103/physrevlett.128.021601
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发表时间:
2021
影响因子:
8.6
通讯作者:
Jorge E Santos
Jorge E Santos
中科院分区:
物理与天体物理1区
文献类型:
--
作者:
W. Biggs;Jorge E Santos

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我们发现旋转黑洞的解决方案在兰德尔Sundrum II(RSII)模型,通过数值求解三维PDE问题,使用伪谱配置方法。我们计算了这些解的面积和赤道最内稳定轨道。与AdS长度标度相比,对于大黑洞,黑洞表现出四维行为,接近膜上的克尔度规,而对于小黑洞,其解倾向于具有与膜对齐的单个非零旋转参数的五维迈尔斯-佩里黑洞。这种与精确四维引力的背离可能会导致RSII模型中旋转黑洞的唯象预测与标准四维广义相对论中的预测不同。这封信为研究这些修改提供了一个垫脚石。
We find rotating black hole solutions in the Randall-Sundrum II (RSII) model, by numerically solving a three-dimensional PDE problem using pseudospectral collocation methods. We compute the area and equatorial innermost stable orbits of these solutions. For large black holes compared with the AdS length scale ℓ the black hole exhibits four-dimensional behavior, approaching the Kerr metric on the brane, while for small black holes, the solution tends instead towards a five-dimensional Myers-Perry black hole with a single nonzero rotation parameter aligned with the brane. This departure from exact four-dimensional gravity may lead to different phenomenological predictions for rotating black holes in the RSII model to those in standard four-dimensional general relativity. This Letter provides a stepping stone for studying such modifications.
DOI: 10.1088/0264-9381/27/9/095018
发表时间: 2010
影响因子: 3.5
作者:
Hubeny V
通讯作者: Hubeny V
DOI: 10.1088/0264-9381/28/21/215018
发表时间: 2011-04
影响因子: 3.5
作者:
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通讯作者: P. Figueras;James Lucietti;T. Wiseman