The NUTs and Bolts of Squashed Holography

Abstract

We evaluate the partition function of the free O(N) model on a two-parameter family of squashed three spheres. We also find new solutions of general relativity with negative cosmological constant and the same double squashed boundary geometry and analyse their thermodynamic properties. Remarkably, both systems exhibit a qualitatively similar behaviour over the entire configuration space of boundary geometries. Recent formulations of dS/CFT enable one to interpret the field theory partition function as a function of the two squashing parameters as the Hartle-Hawking wave function in a minisuperspace model of anisotropic deformations of de Sitter space. The resulting probability distribution is normalisable and globally peaked at the round three sphere, with a low amplitude of boundary geometries with negative scalar curvature.

arXiv comment41 pages, 19 figures

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• Cosmological Shapes of Higher-Spin Gravity
• Comments on Squashed-sphere Partition Functions
• The no-boundary proposal in biaxial Bianchi IX minisuperspace
• Partition functions on slightly squashed spheres and flux parameters
• Supersymmetric dS/CFT
• Higher-spin symmetry vs. boundary locality, and a rehabilitation of dS/CFT
• Gravitational instantons with conformally coupled scalar fields
• On Universality of Holographic Results for (2+1)-Dimensional CFTs on Curved Spacetimes
• Squashed Holography with Scalar Condensates
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• Constraining graviton non-Gaussianity through the CMB bispectra
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• Bianchi IX geometry and the Einstein-Maxwell theory
• Gravitating anisotropic merons and squashed spheres in the three-dimensional Einstein-Yang-Mills-Chern-Simons theory
• Holographic RG flows on Squashed $S^3$
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