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Black hole information, unitarity, and nonlocality

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arxiv hep-th/0605196 v2 pith:CEM3EFUC submitted 2006-05-19 hep-th gr-qc

Steven B. Giddings This is my paper · ORCID
classification hep-thgr-qc
keywords blackholeinformationdynamicsmodesnonlocalitybeenfundamentally
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The black hole information paradox apparently indicates the need for a fundamentally new ingredient in physics. The leading contender is nonlocality. Possible mechanisms for the nonlocality needed to restore unitarity to black hole evolution are investigated. Suggestions that such dynamics arises from ultra-planckian modes in Hawking's derivation are investigated and found not to be relevant, in a picture using smooth slices spanning the exterior and interior of the horizon. However, no simultaneous description of modes that have fallen into the black hole and outgoing Hawking modes can be given without appearance of a large kinematic invariant, or other dependence on ultra-planckian physics; a reliable argument for information loss thus has not been constructed. This suggests that strong gravitational dynamics is important. Such dynamics has been argued to be fundamentally nonlocal in extreme situations, such as those required to investigate the fate of information.

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Cited by 3 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. OpenAlex reports about 161 citations worldwide. Full citation record

  1. Macroscopic Black-Hole Remnants in a Nonlocal Field Theory: Towards Hawking Radiation in SFT

    hep-th 2026-06 unverdicted novelty 6.0 of 10

    In a smeared massless scalar on dynamical black hole, outgoing particle number drops to zero after scrambling time due to SFT nonlocality, implying macroscopic remnant.

  2. Light scalars in light of UV/IR mixing: classicalization via synergy between Vainshtein and chameleon screenings

    hep-ph 2025-11 conditional novelty 5.0 of 10

    Classicalizing k-essence scalars need m << Λ* and, when potentials or fermion couplings are present, a chameleon-like screening layer to keep Vainshtein screening and classicalon stability intact.

  3. Quantum circuit simulation of black hole evaporation and Maxwell demon interpretation

    gr-qc 2025-05 reject novelty 4.0 of 10

    A Maxwell demon inside a black hole is used in a quantum circuit to steer outside qubits via a wormhole, claimed to simulate Hawking radiation entanglement while dissipating energy of order the black hole entropy.

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