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Calendar of Physics Talks Vienna
| Characterization of rational SCFTs: Complex Multiplication, Mirror Symmetry and Hodge Theory |
| Speaker: | Abhiram Kidambi (MPI for Mathematics in the Sciences) |
| Abstract: | One is probably aware that classification of RCFTs has been studied at a steady and formal pace over the past few decades. But often when we are asked to define or characterize an RCFT who target spaces are X, there are different answers and characterisations. (X can be an abelian variety like a torus, or a an algebraic variety like K3 surfaces etc.) Phenomenologically, rationality can explain things like electroweak gaugino dark matter, gauge coupling unification and small gravitino mass, and attribute them to large chiral algebra on the worldsheet string theory, and not to a larger symmetry of the spacetime field theory. Mathematically, Rational CFTs provide a physical way to determine points of arithmetic in the moduli space of a variety. For the case of X = d dimensional tori, these various characterisations as I will explain are equivalent if and only if there are further condition |
| Date: | Tue, 30.04.2024 |
| Time: | 14:00 |
| Duration: | 60 min |
| Location: | Schroedinger HS, Boltzmanngasse 5 |
| Contact: | Piotr T. Chrusciel |
| New Higgses at the Electroweak Scale and differential top quark distributions |
| Speaker: | Andreas Crivellin (University of Zurich, PSI) |
| Abstract: | Significant hints for new Higgses with masses around 95 GeV and 152 GeV have been accumulated in recent years. In this talk, I will discuss the relevant measurements as well as possible models which can explain these excesses.
Furthermore, I show how the new Higgses could explain the deviations between the theory predictions and the measurements of differential top quark distributions.
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| Date: | Tue, 30.04.2024 |
| Time: | 16:15 |
| Duration: | 60 min |
| Location: | Erwin-Schroedinger-Hoersaal, Boltzmanngasse 5, 5. Stock |
| Contact: | M. Procura |
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