Does Quantum Gravity constrain Large-Field Inflation?
Presented by Prof. Arthur HEBECKER
I will briefly recall the interest in and status of large-field models of inflation. I will then discuss general no-go arguments against this version of inflation which are based on gravitational instantons and the so-called weak-gravity conjecture. Then I will turn to possible loopholes in those arguments and explain how certain string-theoretic constructions might, nevertheless, be able to realize large-field inflation.