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hep-th2026
Catastrophic Inflation in the Axiverse
Naomi Gendler, Oliver Janssen, Matthew Kleban +1
In the landscape of compactifications of type IIB string theory on O3/O7 orientifolds of Calabi--Yau threefolds, we identify regions of the axion potential in specific geometries t…
hep-th2023★ 2 cited
Monochromatic Mass Spectrum of Primordial Black Holes
Matthew Kleban, Cameron E. Norton
During slow-roll inflation, non-perturbative transitions can produce bubbles of metastable vacuum. These bubbles expand exponentially during inflation to super-horizon size, and la…