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SUMMARY:Conformal Field Theory in Magnetic Field
DTSTART:20250324T140000
DTEND:20250324T150000
DTSTAMP:20260916T182601Z
UID:437e05cd0996e67b25140e37882b4335c7c88f3e5608652c24ee5bb9
CATEGORIES:Conferences - Seminars
DESCRIPTION:Andreas Stergiou\nExternal probes of conformal field theories 
 (CFTs) give rise to novel observables and enable new ways to understand CF
 Ts. Famous examples include CFTs in curved space\, non-zero temperature\, 
 and non-zero chemical potential. Essential in this understanding is the ro
 le of low-energy effective actions\, which can be constructed based on sym
 metry principles. In this talk\, we will discuss three-dimensional CFTs wi
 th global symmetry in a background magnetic field. Assuming a gapped phase
  in the presence of the magnetic field\, we will discuss the corresponding
  effective action and two-point functions of the conserved current and str
 ess-energy tensor that can be defined using it. Using dispersive arguments
 \, we will derive constraints on the effective action coefficients and dis
 cuss their consequences for physical quantities of interest.
LOCATION:BSP 727 https://plan.epfl.ch/?room==BSP%20727 https://epfl.zoom.u
 s/j/69362612859
STATUS:CONFIRMED
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