by Timo Weigand (Hamburg U.)

Europe/Rome
1/1-2 - Aula "C. Voci" (Dipartimento di Fisica e Astronomia - Edificio Marzolo)

1/1-2 - Aula "C. Voci"

Dipartimento di Fisica e Astronomia - Edificio Marzolo

32
Description

Regions at infinite distance in the moduli space of quantum gravity theories are typically regions of weak coupling and hence obvious starting points in any attempt to determine the effective action in four dimensions. In this talk I discuss various surprises that arise in studying such regions in the context of string theory, focussing on complex structure moduli in Type IIB compactifications. An important role is played by the notion of stable degenerations.