THEP Journal Club

May 16, 2014 at 12:30 p.m. in Sozialraum der WA THEPRiccardo Bartocci

Institut für Physik, THEP

rbartocc@uni-mainz.de

Prisco Lo Chiatto

Institut für Physik, THEP

plochiat@uni-mainz.de

Nicklas Ramberg

Institut für Physik, THEP

nramberg@uni-mainz.de

Miroslava Mosso Rojas

Institut für Physik, THEP

mmossoro@uni-mainz.de

Pizza & Physics at Lunchtime

Jill Ecker, Isabel Koltermann (ThEP)

The first step consists in explaining in depth the procedure of concrete model building in superstring theory. More precisely, the difficulties arising in model building and their resolution are discussed. This discussion is followed by a presentation of the models we desire to reproduce, which include the MSSM, left-right symmetric models, Pati-Salam models and SU(5) models.

In the second step the concrete deformation of orbifolds will be addressed. After a short explanation of conical singularities, a concrete deformation will be demonstrated for a very simple example. This will be generalized to a typical model used in type IIA string theory. Finally, the method to compute the volume of "3-cycles" wrapped by "D6-branes" will be explained. These volumes are proportional to the gauge couplings and can be used to test the supersymmetry condition, so it is interesting to find out how the volumes change while performing deformations of the orbifold fixed points.