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hep-th2026
Large Quantum Gravity Fluctuations of BTZ Black Holes
Ben Freivogel, Upamanyu Moitra
We study the quantum fluctuations of the black hole horizon in three-dimensional Anti-de Sitter (AdS) spacetime. We define a precise protocol to calculate the horizon fluctuations…
hep-th2026
Duality-Invariant Higher-Derivative Corrections to Charged Stringy Black Holes
Upamanyu Moitra
We study duality-invariant higher-derivative corrections to the charged black hole geometry in two-dimensional heterotic string theory. We illustrate how the conventional perturbat…