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Eigenbranes in Jackiw-Teitelboim gravity

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arxiv 1911.11603 v2 pith:L3SSYEXL submitted 2019-11-26 hep-th

Andreas Blommaert , Thomas G. Mertens , Henri Verschelde This is my paper · ORCID
classification hep-th
keywords gravityboundarieseigenvaluesensemblematricesversionbehaviorcapture
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It was proven recently that JT gravity can be defined as an ensemble of L x L Hermitian matrices. We point out that the eigenvalues of the matrix correspond in JT gravity to FZZT-type boundaries on which spacetimes can end. We then investigate an ensemble of matrices with 1<<N<<L eigenvalues held fixed. This corresponds to a version of JT gravity which includes N FZZT type boundaries in the path integral contour and which is found to emulate a discrete quantum chaotic system. In particular this version of JT gravity can capture the behavior of finite-volume holographic correlators at late times, including erratic oscillations.

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. An entropic puzzle in periodic dilaton gravity and DSSYK

    hep-th 2024-11 conditional novelty 8.0 of 10

    Gauging a momentum shift symmetry in sine dilaton gravity yields the DSSYK spectrum, makes negative-length states null, and predicts a finite entropy S=2πθ−2θ² instead of the Bekenstein-Hawking area law.

  2. QG from SymQRG: AdS$_3$/CFT$_2$ Correspondence as Topological Symmetry-Preserving Quantum RG Flow

    hep-th 2024-12 conditional novelty 7.0 of 10

    A framework called SymQRG identifies 3D quantum gravity as the symmetry-preserving RG flow of 2D CFTs, realized discretely by U_q(SL(2,R)) 6j symbols.

  3. Black Holes and Random Variables

    hep-th 2026-07 unverdicted novelty 6.0 of 10

    High-energy CFT and black-hole interval counts are conjectured to obey the FHK extreme-value law; the resulting O(1) erratic fluctuations limit semiclassical AdS precision to e^{-S0}.

  4. Comments on firewalls in JT gravity with matter

    hep-th 2024-12 conditional novelty 5.0 of 10

    A twist factor cutoff from eigenvalue branes reproduces the gray hole firewall probabilities in JT gravity, with matter loop corrections subleading at late times.

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