[SEMINARI] SEMINAR: Stefano Rigolin, Flux compactification: chirality and symmetry breaking

[German Rodrigo Garcia]

Flux compactification: chirality and symmetry breaking

Stefano Rigolin
Universidad Autonoma de Madrid-IFT
Thursday, 26 of April of 2007     12:00 PM
IFIC's Seminar

Abstract

Motivated by the electroweak hierarchy problem, we consider theories with 
two extra dimensions in which the four-dimensional scalar fields are 
components of gauge boson in full space. We briefly explain the basics 
features of "flux compactification", i.e. compactification in presence of 
a background (magnetic) flux. In particular we recall how chirality and 
symmetry breaking can be obtained in this context. More in details, we 
find and catalogue all possible degenerate zero-energy stable 
configurations in the case of trivial or non-trivial 't Hooft flux, for a 
SU(N) gauge theory. We describe the residual symmetries of each vacua and 
the 4-dimensional effective spectrum in terms of continous and discrete 
parameters, respectively. We numerically solve, like exemplification of a 
low energy effective field theroy approach, the SU(2) case.