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Spacetime Fluctuations in AdS/CFT

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arxiv 1911.02018 v2 pith:BION2PND submitted 2019-11-05 hep-th gr-qchep-ph

Erik Verlinde , Kathryn M. Zurek This is my paper · ORCID
classification hep-thgr-qchep-ph
keywords fluctuationsspacetimeenergyassociatedbackbeamboundarybulk
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We compute fluctuations in the modular energy of the vacuum associated with a Rindler-wedge in AdS spacetime in the context of AdS/CFT. We discuss the possible effect of these energy fluctuations on the spacetime geometry, and on the traversal time of a light beam propagating from the boundary to the bulk and back.

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Cited by 8 Pith papers

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

  1. JT gravity on the worldline

    hep-th 2026-07 conditional novelty 7.0 of 10

    Coupling a worldline observer to JT gravity replaces its evolution operator by an exactly computed average over fluctuating Euclidean times; the fluctuations are small in the disk but large on the double trumpet.

  2. Geometric noise spectrum in interferometers

    hep-th 2026-01 unverdicted novelty 6.0 of 10

    The noise spectrum an interferometer would see from quantum spacetime jitter is computed for vacuum, thermal, squeezed, and scalar-backreaction states; all are Planck-suppressed.

  3. Diamonds in the Bulk and Large-$N$ Scaling in AdS/CFT

    hep-th 2026-01 conditional novelty 6.0 of 10

    Bulk field algebras of causal diamonds in AdS/CFT require a double-scaling limit, so sub-AdS-radius distances are not described by bulk QFT.

  4. Entanglement Entropy of Quantum Corners

    hep-th 2025-07 conditional novelty 6.0 of 10

    For a two-dimensional corner symmetry algebra, coherent corner states give an entanglement entropy that scales with the area when mapped to near-extremal Reissner-Nordström black holes.

  5. Effective density matrix for vacua in asymptotically flat gravity

    hep-th 2025-09 conditional novelty 5.0 of 10

    The vacuum of a large causal diamond in asymptotically flat gravity is claimed to be a Gaussian in the supertranslation Goldstone mode, giving modular Hamiltonian variance A/epsilon squared.

  6. The Hydrodynamic Approach to Quantum Gravity

    hep-th 2025-05 conditional novelty 5.0 of 10

    Banks proposes and summarizes a holographic space-time framework in which Einstein's equations emerge as hydrodynamics of quantum systems associated to causal diamonds, with a conjectured quantum principle of relativity.

  7. Correlation functions of von Neumann entropy

    hep-th 2025-06 conditional novelty 4.0 of 10

    Two-point correlators of modular Hamiltonians obey entropy-like properties and equal the stress-tensor conformal block for spherical regions in CFT, including imaginary-time separations.

  8. A numerical analysis of Araki-Uhlmann relative entropy in Quantum Field Theory

    hep-th 2025-02 conditional novelty 4.0 of 10

    For a free massive scalar field in 1+1 dimensions, the Araki-Uhlmann relative entropy between a coherent state and the vacuum decreases with mass and increases with region size in numerical tests.

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