Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Status Confirmed
Seminar Series IPHT-MAT
Subjects hep-th
Date Wednesday 18 December 2019
Time 14:15
Institute IPHT
Seminar Room Salle Claude Itzykson, Bât. 774
Speaker's Last Name David Tennyson
Speaker's First Name
Speaker's Email Address
Speaker's Institution Imperial College London
Title Generalising G2 Geometry: The Geometry and Moduli of Supersymmetric String Backgrounds
Abstract I will look at the structure of generic D=4, N=1 Minkowski flux backgrounds of string theory via generalised geometry. I will show how we can completely characterise the geometry via integrable G-structures and the objects defining them. We will be able to give expressions for the Kahler and superpotential of the lower dimensional effective theory in terms of these objects. Moreover I will give an analysis of the moduli of these structures, recovering the known results for G2 manifolds as well as extending results for GMPT and so-called 'type 0' solutions. In looking at the moduli we will find that there is a subtlety involving a quotient by a complexified group. Upon a closer look we will see that understanding the full picture will leads us to some interesting possible links with Geometric Invariant Theory and G2 stability.
arXiv Preprint Number

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