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Constraints on cosmologies inside black holes

Fallows, Seamus and Ross, Simon F. (2022) 'Constraints on cosmologies inside black holes.', Journal of high energy physics., 2022 (5). 094.


We study the construction of holographic models with closed FRW cosmologies on the worldvolume of a constant-tension brane inside a Schwarzschild-AdS black hole. In dimensions d > 2, having a smooth Euclidean solution where the brane does not self-intersect limits the brane tension to T < T*, preventing us from realising a separation of scales between the brane and bulk curvature scales. We show that adding interface branes to this model does not relax the condition on the brane tension.

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Publisher statement:Open Access . This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited.
Date accepted:19 April 2022
Date deposited:25 May 2022
Date of first online publication:16 May 2022
Date first made open access:25 May 2022

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