Massive anti-de Sitter gravity from string theory

DOI10.1007/JHEP11(2018)003zbMATH Open1471.83021arXiv1807.00591WikidataQ128981885 ScholiaQ128981885MaRDI QIDQ1635097

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Publication date: 18 December 2018

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Abstract: We study top-down embeddings of massive Anti-de Sitter (AdS) gravity in type-IIB string theory. The supergravity solutions have a AdS${}_4$ fiber warped over a manifold M${}_6$ whose shape resembles that of scottish bagpipes: The `bag' is a conventional AdS${}_4$-compactification manifold, while the `pipes' are highly-curved semi-infinite Janus throats. Besides streamlining previous discussions of the problem, our main new result is a formula for the graviton mass which only depends on the effective gravitational coupling of the bag, and on the D3-brane charges and dilaton jumps of the Janus throats. We compare these embeddings to the Karch-Randall model and other bottom-up proposals for massive-AdS-gravity, and we comment on their holographic interpretation. This is a companion paper to [1], where some closely-related bimetric models with pure AdS${}_{5}imes$S${}^5$ throats were analyzed.

Full work available at URL: https://arxiv.org/abs/1807.00591

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