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SUMMARY:Strings from Feynman Diagrams
DTSTART:20250224T140000
DTEND:20250224T151500
DTSTAMP:20260408T094759Z
UID:480d6489c2edd5095ce6ab0a5558c8b7fbe9fadd4260473fcf264dca
CATEGORIES:Conferences - Seminars
DESCRIPTION:Edward Mazenc (ETH Zurich)\nOver 50 years ago\, 't Hooft obser
 ved the similarity between the Feynman diagram expansion of a large N gaug
 e theory and the topological expansion of a string theory. The purpose of 
 this talk is to make this idea precise for a protected subsector of the Ad
 S/CFT correspondence. Concretely\, we show how the Feynman diagram expansi
 on of correlation functions in N=4 SYM preserving half the supersymmetry c
 an be explicitly recast as a dual sum over closed strings. Each individual
  Feynman diagram maps on to one world sheet configuration. The weight of t
 he diagram translates to the exponential of the Nambu-Goto action of the d
 ual string.
LOCATION:BSP 727 https://plan.epfl.ch/?room==BSP%20727 https://epfl.zoom.u
 s/j/69362612859
STATUS:CONFIRMED
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