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(Non)perturbative gravity, nonlocality, and nice slices
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Perturbative dynamics of gravity is investigated for high energy scattering and in black hole backgrounds. In the latter case, a straightforward perturbative analysis fails, in a close parallel to the failure of the former when the impact parameter reaches the Schwarzschild radius. This suggests a flaw in a semiclassical description of physics on spatial slices that intersect both outgoing Hawking radiation and matter that has carried information into a black hole; such slices are instrumental in a general argument for black hole information loss. This indicates a possible role for the proposal that nonperturbative gravitational physics is intrinsically nonlocal.
Forward citations
Cited by 2 Pith papers
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Light scalars in light of UV/IR mixing: classicalization via synergy between Vainshtein and chameleon screenings
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.
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Quantum circuit simulation of black hole evaporation and Maxwell demon interpretation
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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