Date | Event Type | Speaker | |
03/01/2024 | Hep Th Discussion Group | Popov [ + ] | |
03/01/2024 | HEP Discussion Sessions | Zare [ + ] | |
03/04/2024 | CCPP Brown Bag | Gabriel Cuomo [ + ] | |
03/04/2024 | Informal HEP Talk | Thomas Steingasser [ + ] | |
03/04/2024 | Informal HEP Talk | Fiona Seibold [ + ] | |
03/05/2024 | Astro Seminar | Ben Farr [ + ] | |
03/05/2024 | Grad Pheno Journal Club | [ + ] | |
03/06/2024 | ArXiv Discussion | HEP/Pheno Journal Club [ + ] | |
03/06/2024 | HEP Seminar | Luca Delacrétaz [ -- ] | |
Title: Bound on thermalization from hydrodynamic fluctuations Abstract: Interacting systems thermalize. They can do so arbitrarily slowly, but not arbitrarily fast: the time scale necessary for a quantum many-body system to reach local thermal equilibrium has been conjectured to be bounded below by the Planckian time, hbar/T. I will show that consistency of hydrodynamics (or diffusion), which generically emerges at late times, implies that this local equilibration time indeed has a lower bound. The key tool is the derivation of universal corrections to diffusion at intermediate times using EFT techniques: when these corrections are large the system cannot have thermalized. For the special case of CFTs, combining this argument with scale invariance allows one to prove the conjectured Planckian bound. I will also discuss spin chains, where the knowledge of these universal corrections to diffusion can allow for precision tests of thermalization, and a more accurate identification of a thermalizing system's dissipative universality class with limited numerical resources. (2:00 PM - 3:15 PM, 726 Broadway, 940, CCPP Seminar) | |||
03/08/2024 | Hep Th Discussion Group | Popov [ + ] | |
03/08/2024 | Informal HEP Talk | Federico Ambrosino [ + ] | |
03/08/2024 | HEP Discussion Sessions | Zare [ + ] | |
03/11/2024 | CCPP Brown Bag | Cameron Norton [ + ] | |
03/12/2024 | Astro Seminar | Adrian Bayer [ + ] | |
03/12/2024 | Grad Pheno Journal Club | [ + ] | |
03/13/2024 | HEP Seminar | Claudio Andrea Manzari [ + ] | |
03/14/2024 | EPP Job Talk | Tova Holmes [ + ] | |
03/14/2024 | Informal HEP Talk | Xingyang Yu [ + ] | |
03/14/2024 | Physics Dept Colloquium | Abhay Narayan Pasupathy [ + ] | |
03/15/2024 | Hep Th Discussion Group | Popov [ + ] | |
03/19/2024 | Grad Pheno Journal Club | [ + ] | |
03/20/2024 | ArXiv Discussion | HEP/Pheno Journal Club [ + ] | |
03/22/2024 | Hep Th Discussion Group | Popov [ + ] | |
03/22/2024 | Informal HEP Talk | Alon Farragi [ + ] | |
03/22/2024 | Informal HEP Talk | Chris Hull [ + ] | |
03/25/2024 | CCPP Brown Bag | Neal Weiner [ + ] | |
03/25/2024 | Informal HEP Talk | Bingrong Yu [ + ] | |
03/26/2024 | Astro Seminar | Ken Van Tillburg [ + ] | |
03/26/2024 | Grad Pheno Journal Club | [ + ] | |
03/27/2024 | HEP Seminar | Tony Gherghetta [ + ] | |
03/28/2024 | Physics Dept Colloquium | Arjun Yodh [ + ] | |
03/29/2024 | Hep Th Discussion Group | Popov [ + ] | |
03/29/2024 | Oral Defense | Reza Javadi Nezhad [ + ] | |
03/29/2024 | HEP Discussion Sessions | Zare [ + ] |