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Spacetime Fluctuations in AdS/CFT
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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.
Forward citations
Cited by 12 Pith papers
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JT gravity on the worldline
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.
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A journey through Flatland: What does the antiflatness of a spectrum teach us?
Introduces antiflatness of entanglement spectra, antiflat majorization based on Rényi entropy spread, and unifies measures via escort distributions while connecting capacity of entanglement to quantum Fisher information.
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A journey through Flatland: What does the antiflatness of a spectrum teach us?
Defines antiflatness of entanglement spectra, introduces antiflat majorization and FPOs for state convertibility, unifies measures via escort distributions and Bregman divergences, expresses Capacity of Entanglement a...
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Large Quantum Gravity Fluctuations of BTZ Black Holes
Quantum width of BTZ horizon computed via holography is (G_N L_AdS^3)^{1/4}, parametrically larger than Planck scale and logarithmically divergent in the UV.
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Quantum Geometry from Area Fluctuations
Derives a thermal fluctuation formula for causal-diamond boundary area with a linear term of Verlinde-Zurek scaling interpreted as statistical evidence for discrete quanta of geometry.
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High-Frequency Thermal Noise in Michelson Interferometers
New general models for substrate and coating mechanical, thermoelastic, and thermorefractive noise in Michelson interferometers at high frequencies, validated against prior low-frequency models and Holometer data, the...
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Geometric noise spectrum in interferometers
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.
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Diamonds in the Bulk and Large-$N$ Scaling in AdS/CFT
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.
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Entanglement Entropy of Quantum Corners
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.
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Mapping the Infrared Phase Space of Gravity to Finite Subregions
Phase space of arbitrary null cut in Minkowski spacetime is symplectomorphic to infrared phase space of asymptotically flat gravity, mapping cut fluctuations to leading soft graviton mode and supertranslation Goldston...
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Geometric noise spectrum in interferometers
Computes UV-finite noise spectra in interferometers from graviton fluctuations in vacuum/thermal/squeezed states and from massless scalar vacuum stress-energy, all Planck-suppressed.
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Effective density matrix for vacua in asymptotically flat gravity
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.
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