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
Nov 18: Andrew Gomes (EPFL) on 2508.18346 (Note: This seminar will not be recorded!)
Schwinger-Keldysh effective theory of charge transport: redundancies and systematic ω/T expansion
Abstract: We study Schwinger-Keldysh effective field theories (EFTs) for systems with non-Abelian internal symmetries near thermal equilibrium. We consider two approaches that were put forward in the literature—one using a redundant Goldstone parameterization, the other employing an adjoint matter field—and demonstrate their complete equivalence by providing an explicit dictionary and proving their equivalence at the path integral level. Critically, we extend both formalisms to be compatible with the dynamical Kubo-Martin-Schwinger (DKMS) symmetry to all orders in ℏω/T , classifying all possible invariant kernels satisfying unitarity constraints. We also establish precise power-counting rules, clarifying the interplay between the semiclassical and hydrodynamic expansions. Our work provides a framework for studying non-Abelian charge transport and fluctuations to arbitrary orders in ℏω/T.
Nov 25: Sean Hartnoll (Cambridge U., DAMTP) on 2509.18255 (Note: This seminar will exceptionally be at 4 p.m. CET)
Bootstrapping transport and non-Fermi liquids in lattice models
Abstract: A “bootstrap” approach to physical systems starts from basic physical principles and aims to constrain the possible dynamics. The most successful instances, for the most part developed within high energy theory, have been the bootstrap of conformal field theories and the S-matrix bootstrap of relativistic field theories. I will explain how this methodology can be applied to condensed matter systems where the microscopic description is a lattice model. The basic ingredients are Lieb-Robinson type constraints combined with analyticity and positivity properties of Green’s functions. I will explain how one obtains bounds on transport coefficients and coupling constants from this approach.
Dec 2: 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
Dec 9: Julio Virrueta (Jena U., TPI) on 2510.03404
A Holographic prescription for generalized Schwinger-Keldysh contours
Dec 16: Minjae Cho (LITP, University of Chicago) on 2410.04262
Thermal Bootstrap of Matrix Quantum Mechanics
Jan 13: David Simmons-Duffin (Caltech) (Note: This seminar will exceptionally be at 6:30 p.m. CET)
Review talk on conformal bootstrap at finite temperature
Jan 20: Hong Liu (MIT) on 2509.14327
Towards a holographic description of closed universes
Jan 27: Lennart Dabelow (Queen Mary University of London) on 2510.12696
Temperature and conditions for thermalization after canonical quenches
Past Seminars
Past Seminars
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
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Join our 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!
Conferences and workshops related
Conferences and workshops related
If you think we should add an event, a conference or a workshop to the list above, please contact us at thermaldynamicsseminars@gmail.com
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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