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UID:2206@qft.physik.hu-berlin.de
DTSTART;TZID=Europe/Berlin:20241113T133000
DTEND;TZID=Europe/Berlin:20241113T143000
DTSTAMP:20241018T142525Z
URL:https://qft.physik.hu-berlin.de/next-seminars/carlos-bercini-desy/
SUMMARY:Carlos Bercini (DESY) - 
DESCRIPTION:Speaker: Carlos Bercini\n\nTitle:Wilson Loops with Lagrangians:
  large spin OPE and cusp anomalous dimension maps\n\nAbstract:\n\nIn the c
 ontext of planar conformal gauge theory\, we study five-point correlation 
 functions between the interaction Lagrangian and four of the lightest oper
 ators. After performing two light-cone OPEs\, we express this correlator i
 n terms of the three-point functions between two leading-twist spinning op
 erators and the Lagrangian. For finite values of spin\, we compute these s
 tructure constants in perturbation theory up to two loops in N = 4 Super Y
 ang–Mills theory. The large values of spin are captured by null polygon 
 kinematics\, where we use dualities with null polygon Wilson loops to boot
 strap the universal behaviour of these structure constants at all loops. F
 or special values of spin these structure constants are proportional to th
 e ubiquitous cusp anomalous dimension. We check our results explicitly a
 t strong and weak coupling for N = 4 Super Yang–Mills.
CATEGORIES:Pizza Seminars
LOCATION:Room 1.221\, IRIS building\, Zum großen Windkanal 6\, Berlin\, 12
 489\, Germany
X-APPLE-STRUCTURED-LOCATION;VALUE=URI;X-ADDRESS=Zum großen Windkanal 6\, B
 erlin\, 12489\, Germany;X-APPLE-RADIUS=100;X-TITLE=Room 1.221\, IRIS build
 ing:geo:0,0
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DTSTART:20241027T020000
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