Black hole spectroscopy and $\mathrm{AdS}_2$ holography

DOI10.1007/JHEP04(2019)164zbMATH Open1415.83019arXiv1811.01288WikidataQ128021842 ScholiaQ128021842MaRDI QIDQ2421703

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Publication date: 17 June 2019

Published in: (Search for Journal in Brave)

Abstract: We compute the spectrum of extremal nonBPS black holes in four dimensions by studying supergravity on their AdS${}_{2}imes{S}^2$ near horizon geometry. We find that the spectrum exhibits significant simplifications even though supersymmetry is completely broken. We interpret our results in the framework of nAdS${}_2$/nCFT${}_1$ correspondence and by comparing with dimensional reduction from AdS${}_3$/CFT${}_2$ duality. As an additional test we compute quantum corrections to extremal black hole entropy on the nonBPS branch and recover results previously determined using very different methods.

Full work available at URL: https://arxiv.org/abs/1811.01288

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