Quantum width of BTZ horizon computed via holography is (G_N L_AdS^3)^{1/4}, parametrically larger than Planck scale and logarithmically divergent in the UV.
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hep-th 2years
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Quantum width of spherically symmetric black hole horizons is defined by signal escape timing and calculated in perturbative quantum gravity to often greatly exceed the Planck length, scaling as sqrt(l_P r_s^2 / sigma_perp) for Schwarzschild patches.
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Large Quantum Gravity Fluctuations of BTZ Black Holes
Quantum width of BTZ horizon computed via holography is (G_N L_AdS^3)^{1/4}, parametrically larger than Planck scale and logarithmically divergent in the UV.
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Quantum Fluctuations of the Black Hole Horizon
Quantum width of spherically symmetric black hole horizons is defined by signal escape timing and calculated in perturbative quantum gravity to often greatly exceed the Planck length, scaling as sqrt(l_P r_s^2 / sigma_perp) for Schwarzschild patches.