Constraints on cosmologies inside black holes
arXiv:2203.02523 · doi:10.1007/JHEP05(2022)094
Abstract
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.
arXiv comment15 pages; v2: reference updated
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