Programm für das Sommersemester 2024
Tuesdays, 14:00 Uhr s.t.
Institut für Physik
Lorentz room (Staudingerweg 7, 5th floor)
| 16.04.24 | Julio Virrueta, Jena U. | |
I will discuss the real-time dynamics of metric perturbations around the AdS black hole and argue that the dynamic of these modes is captured by a set of designer scalars in the background geometry. Using these results I will obtain the real-time Gaussian effective action, which includes both the retarded response and the associated stochastic fluctuations. Finally, I will discuss extensions beyond linear response. | ||
| 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) | ||
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| 23.04.24 | Yann Gouttenoire, Tel Aviv U. | |
Cosmological first-order phase transitions are said to be strongly supercooled when the nucleation temperature is much smaller than the critical temperature. The phase transition takes place slowly and the probability distribution of bubble nucleation times is maximally spread. Hubble patches which get percolated later than the average are hotter than the background after reheating and potentially collapse into primordial black holes (PBHs). I will give a review of this PBHs formation mechanism and of its most recent developments. | ||
| 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) | ||
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| 30.04.24 | Marco Fedele, IFIC, Valencia | |
In the last decade, several measurements have been hinting at the possibility of Beyond Standard Model physics in B decays. Some of these observables have stayed “anomalous” after several experiments released multiple measurements of such quantities, while others have recently suffered a different fate. In this seminar I will recap the current status of experimental anomalies, critically reviewing the theoretical description of these observables in the Standard Model. I will therefore identify which are the quantities with the highest probability of being affected by New Physics, and which are the ones that on the other hand do not require an extension of the SM any longer. | ||
| 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) | ||
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zukünftige Termine
| 07.05.24 | Antonela Matijašić, MPP, Munich | |
The state-of-the-art in current two-loop QCD amplitude calculations is at five-particle scattering. In contrast, very little is known at present about two-loop six-particle scattering processes. In recent years, the results for one-loop hexagon integrals to higher order in the dimensional regulator become available as well as the results on the maximal cut of the planar two-loop six-point integral families. In this talk, I will show the progress made in computing planar two-loop six-particle Feynman integrals beyond the maximal cut using the differential equations method. In particular, I will discuss the canonical basis for several integral families in four space-time dimensions and their function space. | ||
| 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) | ||
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| 02.07.24 | Jorinde van de Vis, Leiden U. | |
TBA | ||
| 14:00 Uhr s.t., Lorentz room (Staudingerweg 7, 5th floor) | ||
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| Koordination: | Kontakt: |
Mathias Becker Sebastian Schenk Yong Xu | bmathias@uni-mainz.de sebastian.schenk@uni-mainz.de yonxu@uni-mainz.de |