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Calendar of Physics Talks Vienna
| Calabi-Yau threefold flops as quiver varieties from monopole deformations |
| Speaker: | Marina Moleti (SISSA, Trieste) |
| Abstract: | We present a new algorithm to extract the quiver and superpotential of a broad class of threefolds that fall under simple threefold flops. These geometries are generally non-toric and can be viewed as monodromic fibrations over a complex plane of deformed ADE singularities. We illustrate how the quantum field theory of a D2 brane probing these spaces captures their non-commutative resolution (NCCR). |
| Date: | Tue, 03.12.2024 |
| Time: | 14:00 |
| Duration: | 60 min |
| Location: | Erwin-Schroedinger-Hoersaal, 1090 Vienna, Boltzmanngasse 5, 5th floor |
| Contact: | S. Fredenhagen, M. Sperling |
| The full range energy-energy correlator in tracks |
| Speaker: | Max Jaarsma (University of Amsterdam) |
| Abstract: | Energy correlators are a class of observables that probe correlations between the energies of final state particles. Over the past few years these observables have gained a lot of attention due the fact that they are relatively easy to extract from experiment and can be predicted from theory with high precision. To probe energy correlations at very small angles, high precision angular measurements on the experimental side are required. Track-based measurements are ideal for this, as the angular resolution of tracking systems are superior compared to that of calorimeters. Using the track function formalism, we predict the shape of the energy-energy correlator at NLO. Moreover, we zoom in on both the collinear and back-to-back limit, where large logarithms spoil the perturbative expansion and resummation is required. |
| Date: | Tue, 03.12.2024 |
| Time: | 16:15 |
| Duration: | 60 min |
| Location: | Erwin-Schroedinger-Hoersaal, 1090 Vienna, Boltzmanngasse 5, 5th floor |
| Contact: | A. Hoang, M. Procura |
| Hypershadows: Imaging 5 dimensional black holes |
| Speaker: | Pedro Cunha (University of Aveiro) |
| Abstract: | What does a black hole look like? In 1+3 spacetime dimensions, the optical appearance of a black hole is a bidimensional region in the observer's sky often called the black hole shadow, as supported by the EHT observations. In higher dimensions this question is more subtle and observational setup dependent. Previous studies considered the shadows of higher dimensional black holes to remain bidimensional. We argue that the latter should be regarded as a tomography of a higher dimensional structure, the hypershadow, which would be the structure "seen" by higher dimensional observers. As a case study we consider the cohomogeneity-one (equal-spins) Myers-Perry black hole in 1+4 dimensions, and compute its tridimensional hypershadow. |
| Date: | Wed, 04.12.2024 |
| Time: | 14:15 |
| Duration: | 60 min |
| Location: | Online via Zoom https://univienna.zoom.us/j/3177749239?pwd=bGkrS0pJRDA4Mm5ZU1lseXBmUXE2QT09 |
| Contact: | Piotr T. Chrusciel, David Fajman |
| ESI Medal 2024 Award Ceremony |
| Speaker: | Piotr T. ChruÅciel, Hans Ringström, Zoe Wyatt, Helmut Friedrich (U Vienna, KTH Stockholm, U of Cambridge, AEI Potsdam) |
| Abstract: | The Medal of the Erwin Schrödinger International Institute for Mathematics and Physics, or ESI Medal, awarded in 2020 for the first time, has been created to recognize outstanding achievements in any area of athematics or physics, including contributions at the interface of the two fields.
In 2024 Prof. Piotr T. ChruÅciel (U of Vienna) is honored for his original and influential contributions to many areas in the field of Mathematical Relativity, including the mathematical description of black holes, the initial value problem for the Einstein equations, and aspects of current physical interest, like the influence of weak gravitational fields on the propagation of photonic states in dielectric wave-guides. He and his co-authors obtained deep new insights by combining sophisticated methods from differential geometry, topology and partial differential equations. |
| Date: | Fri, 06.12.2024 |
| Time: | 14:00 |
| Duration: | 240 min |
| Location: | Erwin Schrödinger Institute, Boltzmann Lecture Hall, Boltzmanngasse 9, 1090 Wien |
| Contact: | secr@esi.ac.at, https://www.esi.ac.at/events/e563/ |
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