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
May 12: Benjamin Withers (University of Southampton) on 2603.13469
Analytic structure of holographic thermal correlators from Fourier series
May 19: Richard A. Davison (Heriot-Watt University) on 2512.11024
Thermalization of (1+1)d QFTs at high temperature
Abstract: Interacting QFTs typically thermalize, leading to the emergence of hydrodynamics. I will explain how (1+1)d QFTs at large N provide a setting in which this phenomenon is analytically tractable. In particular, I will argue that the thermal two-point function of the stress tensor is universal in the near-lightcone, high-temperature limit of these theories. This universal expression captures of the emergence of a fluid-like state at late times and quantitatively predicts how its properties (e.g. viscosity) are related to the microscopic details of the QFT. i will show that explicit computations in holographic theories are consistent with these predictions.
Jun 2: Paul Romatschke (TU Wien) on 2603.19877
Phase Diagram and Finite Temperature Properties of Negative Coupling Scalar Field Theory
Jun 9: Alexey Milekhin (University of Kentucky) on 2602.17638
Planckian bound on the local equilibration time
Jun 16: Andrei Katsevich (Princeton U.) on 2604.08459
PT -symmetric Field Theories at Finite Temperature
Abstract: This talk will discuss finite-temperature PT-symmetric scalar field theories with imaginary couplings. I will describe how the free energy, thermal masses, and one-point functions encode information about the corresponding two-dimensional CFTs. To remove infrared divergences, I will introduce a ''thermal normal-ordering'' scheme that resums these contributions and yields a systematic $\epsilon$-expansion. I will compare the two-dimensional results with exact predictions derived from the proposed Ginzburg-Landau descriptions of the non-unitary minimal models $M(2,5)$ and $M(3,8)_D$, and use Padé extrapolations to estimate the free energy density in higher dimensions.
Past Seminars
Past Seminars
05/05/26: Tin Sulejmanpasic (Durham University) on 2512.07980:
Minimal models of high-temperature freezing
28/04/26: Simone Giombi (Princeton University) on 2603.11012:
Thermal correlators on the Wilson line and bouncing singularities
21/04/26: Manuela Kulaxizi (TCD) on 2602.06558:
Bulk phase shift and singularity
14/04/26: Joydeep Chakravarty (McGill University) on 2512.10912:
Imprint of the black hole interior on thermal four-point correlators
31/03/26: Zohar Komargodski (SCGP) on 2603.10197:
Regge's Inferno
24/03/26: Charlotte Kristjansen (NBI) on 2512.23432:
Black Hole States in Quantum Spin Chains
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
We can keep you updated on our seminars and news. If you would like to join our mailing list please click on the bubble below!
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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