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How Wrinkled is the Surface of a Black Hole?

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abstract

We present evidence that, below a certain threshold scale, the horizon of a black hole is strongly wrinkled, with its shape manifesting a self-similar (``fractal'') spectrum of fluctuations on all scales below the threshold. This threshold scale is small compared to the radius of the black hole, but still much larger than the Planck scale. If present, such fluctuations might account for a large part of the horizon entropy.

fields

gr-qc 1

years

2026 1

verdicts

UNVERDICTED 1

representative citing papers

Trade-off Relation for Black Hole Entropy Fluctuations

gr-qc · 2026-05-25 · unverdicted · novelty 4.0

Within stochastic semiclassical gravity, a trade-off exists between the stochastic variance of black hole entropy change and the number of infalling photons encoding which-path information.

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  • Trade-off Relation for Black Hole Entropy Fluctuations gr-qc · 2026-05-25 · unverdicted · none · ref 36 · internal anchor

    Within stochastic semiclassical gravity, a trade-off exists between the stochastic variance of black hole entropy change and the number of infalling photons encoding which-path information.