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SUMMARY:Global symmetry breaking and defect conformal manifolds
DTSTART:20220916T140000
DTEND:20220916T153000
DTSTAMP:20260511T213521Z
UID:e1b4dca3833332aeb003d115037758067138bd7ed1e34f9ce18854e2
CATEGORIES:Conferences - Seminars
DESCRIPTION:Nadav Drukker\nIn the presence of exactly marginal operators\,
  one can deform a conformal field theory to other such theories\, forming 
 a space of theories living on what's known as the conformal manifold. In a
  theory with conformal defects\, one may be able to retain the bulk theory
  but transform the defect along what I'll call the "defect conformal manif
 old". This requires the existence of exactly marginal defect operators. A 
 simple setting where this happens is in the presence of a global symmetry 
 broken by the defect. The broken symmetry current gives rise to an exactly
  marginal defect operator and a defect conformal manifold which is the sym
 metry breaking coset. This simple observation lets us derive an exact iden
 tity for integrated 4-point functions of the marginal defect operator whic
 h is highly nontrivial. We implement this in several models where the 4-po
 int functions have been previously calculated.\n 
LOCATION:BSP 727 https://plan.epfl.ch/?room==BSP%20727
STATUS:CONFIRMED
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