Who are we?
Who are we?
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The Thermal Seminars are a series of webinars on finite temperature quantum field theories, conformal field theories, and related topics, from holography, to black holes and bootstrap approaches.
The spirit of the webinars is to establish new connections in the community of people interested about thermal effects, offering a platform to meet and discuss the state of the art of the literature.
The Thermal Seminars are organized by Julien Barrat (DESY), Deniz Bozkurt (U. Hamburg), Enrico Marchetto (DESY), Alessio Miscioscia (YITP, Stony Brook).
Future Seminars schedule
Future Seminars schedule
Mar 24: Charlotte Kristjansen (NBI) on 2512.23432
Black Hole States in Quantum Spin Chains
Mar 31: Zohar Komargodski (SCGP) on upcoming work
Regge's Inferno
Abstract: We study large-spin operators in CFTs in d>2 spacetime dimensions. The counting of such operators leads to extensive thermodynamic potentials, with the spin related to the effective volume. The resulting equation of state interpolates between a weakly coupled gas at small twist (the Regge/light-cone bootstrap regime) and a fluid-like regime at larger twist. We show that the same equation of state emerges by placing the CFT on suitable pp-wave backgrounds. In these geometries, locality of quantum fields provides a microscopic explanation for extensivity of the thermodynamic potentials. The pp-waves also make the large-spin symmetry structure manifest: we obtain Heisenberg groups in the large-spin limit. The existence of a vacuum state on these pp-waves is equivalent to a new unitarity bound in 3+1 dimensions.
Apr 7: Richard A. Davison (Heriot-Watt University) on 2512.11024
Pole skipping from universal hydrodynamics of (1+1)d QFTs
Apr 14: Joydeep Chakravarty (McGill University) on 2512.10912
Imprint of the black hole interior on thermal four-point correlators
Abstract: We consider correlators smeared against directed wavepackets over a thermal state dual to a single-sided planar AdS black hole. In the large frequency limit, our measurement is simplified using a bulk WKB description. We propose a dictionary that maps the action of smeared boundary operators to flat-space oscillators near an interior bulk point on the thermal state, by analytically continuing late-time operators from the right to the left boundary via an integral transform. Using the dictionary the smeared correlator factorizes to a flat-space like scattering amplitude about the interior event. Our transformed correlators describe local physics in the two-sided black hole interior, while incurring a suppression of O(exp (-beta omega /2) ). These measurements necessitate a non-trivial time ordering of operators living on boundary hyperboloids which are causally connected to the past light cone of the bulk point, as well as on a corresponding future branch.
Past Seminars
Past Seminars
10/03/26: Shiraz Minwalla (TIFR) on 2512.00158:
Semi-universality of CFT entropy at large spin
03/03/26: Pasquale Calabrese (SISSA)
A review on entanglement entropy
24/02/26: Yixin Xu (Caltech) on 2511.07569:
A genus-2 crossing equation in d≥2
17/02/26: Nejc Čeplak (TCD) on 2511.09638:
Using the OPE to look beyond horizons
10/02/26: Simon Caron-Huot (McGill U.) on 2510.21673:
Thermal two-point functions and the black hole (not) interior
03/02/26 : Robin Karlsson (Oxford) on 2511.09616:
Bouncing off a stringy singularity
27/01/26: Lennart Dabelow (Queen Mary University of London) on 2510.12696:
Temperature and conditions for thermalization after canonical quenches
20/01/26: Hong Liu (MIT) on 2509.14327:
"Filtering" CFTs at large N: Euclidean Wormholes, Closed Universes, and Black Hole Interiors
13/01/26: David Simmons-Duffin (Caltech) : review talk
The thermal bootstrap
16/12/25: Minjae Cho (LITP, University of Chicago) on 2410.04262, 2508.04764, 2511.08560:
Bootstrapping matrix quantum mechanics: equilibrium and nonequilibrium
09/12/25: Julio Virrueta (Jena U., TPI) on 2510.03404:
A Holographic prescription for generalized Schwinger-Keldysh contours
02/12/25: Mile Vrbica (Higgs CTP) on 2406.19790, 2505.14229, 2509.18074:
Thermal field theory correlators in the large-N limit and the spectral duality relation
25/11/25: Sean Hartnoll (Cambridge U., DAMTP) on 2509.18255:
Towards a quantum lattice bootstrap
18/11/25: Andrew Gomes (EPFL) on 2508.18346:
Schwinger-Keldysh effective theory of charge transport: redundancies and systematic ω/T expansion
04/11/25: Srijan Kumar (ICTS-TIFR) on 2508.14872:
High to low temperature: O(N) model at large N
28/10/25: Anastasios C. Petkou (Aristotle University of Thessaloniki) on 2508.16718:
The thermal representation of conformal ladder integrals
21/10/25: Maria Knysh (VUB) on 2508.05444:
Krylov exponents and power spectra for maximal quantum chaos: an EFT approach
14/10/25: Vasilis Niarchos (ITCP & CCTP) on 2508.08560:
Deep Finite Temperature Bootstrap
07/10/25: Ilija Burić (TCD) on 2508.08373:
Holographic Correlators from Thermal Bootstrap
30/09/25: Luca Delacrétaz (Chicago U., EFI) on 2505.06869 and 2310.10564:
EFTs for thermal dynamics in QFT
16/09/25: Ignacio Salazar Landea (La Plata - CONICET) on 2507.13497:
Out-of-bounds hydrodynamics in holographic anisotropic Dirac semimetals
09/09/25: Johanna Erdmenger (Würzburg) on 2506.02113:
Classical spin liquids from frustrated Ising models in hyperbolic space
02/09/25: Subir Sachdev (Harvard University) : review talk
Quantum critical dynamics of the Ising model in 2 spatial dimensions
05/08/25: Sara Murciano (Orsay, LPTMS) on 2502.08087:
The quantum Mpemba effects
29/07/25: Francesco Mangialardi (DESY) on 2506.21671:
Extracting 3D CFT Data from Thermal Correlators
08/07/25: Deniz Bozkurt (DESY) on 2506.06422:
An Analytic Bootstrap Framework for Thermal CFTs
01/07/25: Andrei Parnachev (TCD) on 2505.10277:
OPE and Thermal Holography
17/06/25: Sridip Pal (Caltech) on 2503.24353:
Thermal EFT and Universality of Rényi entropy in CFT
10/06/25: Batoul Banihashemi (Stanford) on 2503.17471:
Thermal effective actions from conformal boundary conditions in gravity
03/06/25: Jyotirmoy Bhattacharya (IIT, Kharagpur) on 2504.17781:
Thermal Product Formula for Shear Modes
27/05/25: Anatoly Dymarsky (U. of Kentucky) on 2409.19046, 2409.19271:
Subsystem entropy in 2d CFT and the diagonal approximation
20/05/25: Waltraut Knop (YITP) on 2502.01734:
Symmetric Product Orbifold Universality and the Mirage of an Emergent Spacetime
13/05/25: Michele Caselle (U. of Turin and INFN) on 2407.10678 , 2501.16185:
High temperature behaviour of confining Lattice Gauge Theories
08/04/25: Justin Raj David (IISc) on 2212.07758, 2307.14847, 2406.14490, 2411.18509:
The large N vector model on a sphere and at finite temperature
01/04/25: Giorgio Frangi (Higgs CTP) on 2501.16441:
Microscopic derivation of dissipative terms in S-K EFTs
25/03/25: Matthew Dodelson (Harvard) on 2501.06170:
Ringdown at finite coupling
11/03/25: Marta Bucca (Oxford) on 2412.14799:
Soft mode action for the large-p SYK model
25/02/25: Samuel Valach (TCD) on 2404.17286:
Thermal Correlators and Black Hole Singularities
18/02/25: Fedor Popov (SCGP) on 2412.09459:
Temperature-Resistant Order in 2+1 Dimensions
28/01/25: Junchen Rong (CPhT) on 2412.01503:
From the Cubic CFT to the Quantum Loop model
Mailing list
Mailing list
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YouTube channel
YouTube channel
We created a YouTube channel to store the recorded Thermal Seminars. The channel can be accessed by clicking on the bubble below!
Organizers: Julien Barrat (DESY), Deniz Bozkurt (U. Hamburg), Enrico Marchetto (DESY), Alessio Miscioscia (YITP, Stony Brook)
Supported by ERC-2021-CoG - BrokenSymmetries 101044226
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