On matched asymptotic expansions of backreacting metastable anti-branes

Abstract

We construct analytically a perturbative supergravity solution that captures the backreaction of a metastable state of anti-branes in the background of a particular modification of the Klebanov-Strassler throat in a long-wavelength approximation. Our solution, which has no unphysical singularities, describes how non-supersymmetric spherical NS5-branes with dissolved anti-D3 brane charge backreact in a fluxed throat geometry. It supports previous claims that there is a well-behaved supergravity description of the metastable state of wrapped NS5-branes proposed years ago by Kachru, Pearson, and Verlinde.

42 pages, 3 figures. Version 2 changes: a new illustrative figure added, some further explanations added, and presentation changed to match the published version

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• Nonlinear Fluid Dynamics from Gravity
• Black Strings, Low Viscosity Fluids, and Violation of Cosmic Censorship
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