(Non)perturbative gravity, nonlocality, and nice slices

Details (Non)perturbative gravity, nonlocality, and nice slices (Non)perturbative gravity, nonlocality, and nice slices

2006-06-15

arxiv.org/abs/hep-th/0606146v2

Phys.Rev.D74:106009,2006

Physics

High Energy Physics

High Energy Physics - Theory

21 pages, harvmac. v2: minor wording changes and added references

Scientific paper

10.1103/PhysRevD.74.106009

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.

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