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AdS$_3$ gravity and random CFT

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arxiv 2006.08648 v3 pith:ICDW7L7S submitted 2020-06-15 hep-th

classification hep-th
keywords gravityrandomcorrelationsdualensembleeuclideanmatrixspectral
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We compute the path integral of three-dimensional gravity with negative cosmological constant on spaces which are topologically a torus times an interval. These are Euclidean wormholes, which smoothly interpolate between two asymptotically Euclidean AdS$_3$ regions with torus boundary. From our results we obtain the spectral correlations between BTZ black hole microstates near threshold, as well as extract the spectral form factor at fixed momentum, which has linear growth in time with small fluctuations around it. The low-energy limit of these correlations is precisely that of a double-scaled random matrix ensemble with Virasoro symmetry. Our findings suggest that if pure three-dimensional gravity has a holographic dual, then the dual is an ensemble which generalizes random matrix theory.

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Cited by 14 Pith papers

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