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Les Houches lectures on two-dimensional gravity and holography
Gustavo J. Turiaci
Lecture notes prepared for the Les Houches school "Quantum Geometry: Mathematical Methods for Gravity, Gauge Theories and Non-Perturbative Physics" that took place during the summe…
Looking at extremal black holes from very far away
Maciej Kolanowski, Donald Marolf, Ilija Rakic +2
Near-extremal black holes are subject to large quantum effects, which modify their low-temperature thermodynamic behavior. Hitherto, these quantum effects were analyzed by separati…
Supersymmetry breaking in SYK and the black hole spectrum
Matthew Heydeman, Yifei Liu, Gustavo J. Turiaci
The spectrum and dynamics of near-extremal black holes are strongly modified by quantum effects at low temperatures. When the extremal limit does not preserve any supersymmetry, th…
Gravitational index of the heterotic string
Yiming Chen, Sameer Murthy, Gustavo J. Turiaci
The fundamental heterotic string has a tower of BPS states whose supersymmetric index has an exponential growth in the charges. We construct the saddle-point of the gravitational p…