Dortmund 2006 – scientific programme

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T: Teilchenphysik

T 502: BSM II

T 502.7: Talk

Thursday, March 30, 2006, 18:20–18:40, P1-02-323

Noncommutative Geometry Beyond the Standard Model — •Christoph Alexander Stephan — CPT, CNRS-Luminy Case 907, 13288 Marseille, France

During the last two decades Alain Connes developed Noncommutative Geometry, which allows to unify two of the basic theories of modern physics: General Relativity and the Standard Model of Particle Physics. In the noncommutative framework the Higgs boson, which had previously to be put in by hand, and many of the ad hoc features of the standard model appear in a natural way. The aim of this talk is to motivate this unification from basic physical principles and to give an flavour of its derivation. A classification of the relevant noncommutative geometries will be presented as well as possible extensions which arise from it. These extensions of the standard model contain novel fermions which provide viable candidates for the dark matter problem. A short overview on the cosmological implications of these fermions will be presented.