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SUMMARY:New directions in the large-charge expansion
DTSTART:20260621T150000Z
DTEND:20260626T122000Z
DTSTAMP:20260628T093600Z
UID:indico-event-13894@indico.global
CONTACT:contact@swissmaprs.ch
DESCRIPTION:Speakers: Susanne Reffert (Universitaet Bern (CH))\, Domenico 
 Orlando (INFN Torino)\, Silas Beane (University of Washington)\n\nConforma
 l field theories (CFTs) are a powerful tool for describing critical phenom
 ena. While CFTs are highly constrained by symmetry\, only in very special 
 cases are exact solutions available. A relatively new tool for describing 
 many-body systems near criticality is the large-charge expansion. This too
 l allows a systematic computation of the CFT data that is necessary for de
 termining observable quantities\, and thus compliments other mathematical 
 tools like the conformal bootstrap. At criticality\, the basis of most com
 putations in the large-charge expansion is the state-operator corresponden
 ce. The large-charge expansion has a relativistic and a non-relativistic i
 mplementation.Non-relativistic conformal invariance\, or Schrödinger symm
 etry\, is in a sense richer\, and therefore more challenging\, than the re
 lativistic case\, and is relevant to a different class of critical phenome
 na\, like the unitary Fermi gas and a many-body system of anyons. Making c
 ontact between the large charge expansion and phenomena usually requires t
 he consideration of various deformations of the conformal symmetry\, which
  requires technology going beyond the methods used until now.In this confe
 rence\, we would like to collect people working on the large charge expans
 ion with various scientific backgrounds. As regards format\, we aim to mak
 e use of the collaborative atmosphere at the SRS and envision hosting up t
 o 30 participants\, with a mix of more senior scientists and younger resea
 rchers. On a typical day\, we plan 2 talks by more senior participants and
  2-3 shorter contributed talks by junior participants\, leaving plenty of 
 time for interactions and discussions among participants.\n \nConfirmed s
 peakers:\n\nOleg Antipin (Ruder Boskovic I.)\nSubham Chowdhury (ICTP)\nGab
 riel Cuomo (SISSA)\nLuca Delacretaz (U. Chicago)\nNicola Dondi (ICTP)\nFra
 ncesco Galvagno (U. Torino)\nHans Werner Hammer (TU Darmstadt)\nSimeon Hel
 lerman (IPMU)\nZohar Komargodski (SCGP) (online participation)\nShota Koma
 tsu (CERN)\nAlexander Monin (U. South Carolina)\nRiccardo Rattazzi (EPFL)\
 nFrancesco Sannino (U. Southern Denmark)\nRaffaele Savelli (Rome U. Tor Ve
 rgata)\nMasataka Watanabe (U. Tokyo)\n\n\nhttps://indico.global/event/1389
 4/
IMAGE;VALUE=URI:https://indico.global/event/13894/logo-2098723454.png
LOCATION:Hotel Les Sources
URL:https://indico.global/event/13894/
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