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Black Holes Hint Towards De Sitter-Matrix Theory

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arxiv 2109.01322 v1 pith:3HD6LTFN submitted 2021-09-03 hep-th gr-qc

Black Holes Hint Towards De Sitter-Matrix Theory

classification hep-th gr-qc
keywords blackholestheorybankscalculationsevidencegivenmatrix
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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De Sitter black holes and other non-perturbative configurations can be used to probe the holographic degrees of freedom of de Sitter space. For small black holes evidence was first given in seminal work of Banks, Fiol, and Morrise; and followups by Banks and Fischler; showing that dS is described by a form of matrix theory. For large black holes the evidence given here is new: Gravitational calculations and matrix theory calculations of the rates of exponentially rare fluctuations match one another in surprising detail. The occurrence of the Nariai geometry and the "inside-out" transition are especially interesting examples which I explain.

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Cited by 7 Pith papers

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

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    DSSYK∞ at infinite temperature duals in the flat-space limit to the 't Hooft model, and holographic entropy at TB=∞ forbids quantum corrections to the vacuum energy.

  2. An Algebra of Observables for de Sitter Space

    hep-th 2022-06 accept novelty 7.0

    Defines a Type II₁ algebra of gravitationally dressed observables in de Sitter static patch whose entropy matches generalized entropy up to a state-independent additive constant.

  3. The Fate of Nucleated Black Holes in de Sitter Quantum Gravity

    hep-th 2026-05 unverdicted novelty 6.0

    Nucleated maximal-mass black holes in de Sitter space undergo thermal Hawking evaporation in smooth quantum states and return fully to the empty de Sitter vacuum.

  4. Deforming the Double-Scaled SYK & Reaching the Stretched Horizon From Finite Cutoff Holography

    hep-th 2026-02 unverdicted novelty 6.0

    Deformations of the double-scaled SYK model via finite-cutoff holography produce Krylov complexity as wormhole length and realize Susskind's stretched horizon proposal through targeted T² deformations in the high-ener...

  5. No boundary density matrix in elliptic de Sitter dS/$\mathbb{Z}_2$

    hep-th 2025-11 unverdicted novelty 6.0

    The Euclidean path integral on elliptic de Sitter defines a no-boundary density matrix whose entropies reduce to vertex operator correlators on non-orientable surfaces, with a one-dimensional global Hilbert space but ...

  6. Holographic complexity of de-Sitter black holes

    hep-th 2026-06 unverdicted novelty 5.0

    In SdS black hole holography, CV and CV2.0 complexities grow linearly while CA growth vanishes due to finite action, with matching rates between static patch and dS/CFT schemes.

  7. The Fate of Nucleated Black Holes in de Sitter Quantum Gravity

    hep-th 2026-05 unverdicted novelty 5.0

    Nucleated black holes in de Sitter space evaporate via standard Hawking radiation back to the empty vacuum, rendering nucleation a temporary fluctuation.