paper

Instability of de Sitter Reissner-Nordstrom black hole in the 1/D expansion

arXiv:1511.06059 · doi:10.1088/0264-9381/33/12/125016

Abstract

We study large D effective theory for D dimensional charged (Anti) de Sitter black holes. Then we show that de Sitter Reissner-Nordstrom black hole becomes unstable against gravitational perturbations at larger charge than certain critical value in higher dimension. Furthermore we find that there is a non-trivial zero-mode static perturbation at the critical charge. The existence of static perturbations suggests the appearance of non-spherical symmetric solution branches of static charged de Sitter black hole. This expectation is confirmed by constructing the non-spherical symmetric static solutions of large D effective equations.

10 pages, 2 figure, published version in CQG

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