Breakdown of Field Theory in Near-Horizon Regions
arxiv（2024）
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^2G_N)^1/D, below which some breakdown of
effective field theory may occur.
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