Localization in Supergravity and Quantum $Ad{S}_4/CF{T}_3$ Holography

Abstract

We compute the quantum gravity partition function of M-theory on $Ad{S}_4\times X_7$ by using localization techniques in four-dimensional gauged supergravity obtained by a consistent truncation on the Sasaki-Einstein manifold $X_7$. The supergravity path integral reduces to a finite dimensional integral over two collective coordinates that parametrize the localizing instanton solutions. The renormalized action of the off-shell instanton solutions depends linearly and holomorphically on the "square root" prepotential evaluated at the center of $Ad{S}_4$. The partition function resembles the Laplace transform of the wave function of a topological string and with an assumption about the measure for the localization integral yields an Airy function in precise agreement with the computation from the boundary ABJM theory on a 3-sphere. Our bulk quantum gravity computation is nonperturbatively exact in four-dimensional Planck length but ignores corrections due to brane-instantons.

32 pages; v2: minor changes, JHEP version

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• Logarithmic Corrections to Entropy of Magnetically Charged AdS4 Black Holes
• A 2d/1d Holographic Duality
• Euclidean Supergravity
• ABJ Quadrality
• Supersymmetric Localization in AdS${}_5$ and the Protected Chiral Algebra