Breakdown of field theory in near-horizon regions

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2024年6月24日

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Tom Banks,
Patrick Draper,
Manthos Karydas

摘要

We discuss back-reaction in the semiclassical treatment of quantum fields near a black hole. When the state deviates significantly from Hartle-Hawking, simple energetic considerations of back-reaction give rise to a characteristic radial distance scale ∼ ${(r_{s}^{2} G_{N})}^{1 / D}$ $ {\left({r}_s^2{G}_N\right)}^{1/D} $ , below which some breakdown of effective field theory may occur.