Holographic dualities provide a link between questions in Conformal Field Theory (CFT) and finite-temperature quantum field theory on the one side and the dynamics of a gravitational theory on the other side. Within this framework there have been recently several advances in understanding thermal correlation functions, the properties of heavy states in CFTs, hydrodynamic effective theories, and the dynamics of black holes. Holographic correlators in CFTs at finite temperature are a first key observable. They are been studied both in a bootstrap approach starting from the stress-tensor sector and on the bulk side from the spectrum of quasinormal modes. These statistical correlators are expected to approximate well typical heavy states, but there still are several open questions, including for what observables this expectation is indeed true and how to use correlators to extract precise signatures of black hole horizons or singularities. In order to study real-time dynamics one needs to go beyond Euclidean observables. Real time holography, based on the Schwinger-Keldysh contour, can elucidate the connection between short-distance CFT data and long-distance semiclassical dynamics. These questions are being investigated in gauge-string dualities but also in SYK and O(N) vector models which are often more tractable and can highlight interesting differences with full string theory constructions. The aim of the workshop is to bring together scientists with different expertise in this broad area of research, offer an in-depth assessment of the current understanding, and discuss the avenues for future developments and new collaborations.
• Systematic “thermal bootstrap” for holographic CFTs: determining when KMS periodicity and stress-tensor data are sufficient to fix finite-temperature correlators and identifying precisely what additional input is needed beyond the stress-tensor sector.
• Understanding how black-hole features (quasinormal spectra, horizons and singularity signatures) are encoded in boundary correlators, in both position and momentum space, and if these structures survive beyond semiclassical gravity.
• Heavy states in CFTs: when and in what observables do they reproduce thermal/black-hole behaviour, and what are the differences between holographic, SYK-like, tensor, and vector-model regimes?
• Bridging short-distance CFT data and long-time real-time dynamics by connecting bootstrap and OPE methods with Schwinger-Keldysh EFT and hydrodynamics: how does UV CFT structure constrain IR transport and dissipation?
• Alice Bernamonti, Università di Firenze
• Federico Galli, INFN – Firenze
• Simone Giombi, Princeton University
• Pavel Kovtun, University of Southampton
• Andrei Parnachev, Trinity College Dublin
• Rodolfo Russo, Queen Mary University of London
Federico Galli, Rodolfo Russo
The participants who would like to present a poster are kindly invited to send an email with the title and a short abstract to alice.bernamonti@unifuit before May 22, specifying for which week of the workshop. Since a limited number of panels is available, the organizers will select the posters shortly after the deadline.
week 3
| Monday | Tuesday | Wednesday | Thursday | Friday | |
|---|---|---|---|---|---|
| 11:30 - 12:30 | Tomasevic | Newenfeld | Collin-Ellerin | Caceres | |
| 13:00 - 14:30 | lunch | lunch | lunch | lunch | lunch |
| 14:30 - 15:30 | Sorce | Emparan |
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