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Origin of CP and Flavor from the String Landscape

Dr. Patrick Vaudrevange (Physik Department, TU München)

Datum:  17.01.2019 16:00 Uhr – 17:00 Uhr

Ort: Am Coulombwall 1, Garching
Lecture Hall (ground floor)

String Theory in four dimensions is highly predictive due to the compactification of extra dimensions, because after specifying a set of abstract compactification parameters, the particle content, all symmetries and all interactions in the effective low-energy theory are uniquely fixed. This is in contrast to ordinary Quantum Field Theory, since the effective Lagrangian from String Theory cannot be altered at will. No particles, symmetries or interactions can be added or removed by hand. In this respect, we will discuss spontaneous CP breaking using non-abelian flavor symmetries from String Theory in the first part of this talk. However, in contrast to its predictability there is a huge (but finite) number of four dimensional String Theories, called the String Landscape, which asks for its exploration. A new approach using an Autoencoder Neural Network is presented in the second part of the talk.

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