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SUMMARY:Conformal correlators and AdS_2/CFT_1 - Dr Valentina Forini\, City
 \, University of London
DTSTART:20211201T141500Z
DTEND:20211201T151500Z
UID:TALK166027@talks.cam.ac.uk
CONTACT:Bipasha Chakraborty
DESCRIPTION:Wilson lines are a prototypical example of defect in QFT.  I w
 ill consider the defect CFT_1 defined by correlators of operator insertion
 s on a supersymmetric Wilson line in the d=3 superconformal ABJM model\,  
 illustrating how superspace techniques\, analytic bootstrap and direct Wit
 ten diagrammatics can be used\, combined with holography\, to find its CFT
  data. I will then present a nonperturbative definition of Mellin amplitud
 e for more general CFT_1  four-point correlators\, and describe the use of
  this formalism to derive new results.  
LOCATION:ONLINE - Details to be sent by email
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