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UID:2548@qft.physik.hu-berlin.de
DTSTART;TZID=Europe/Berlin:20260703T133000
DTEND;TZID=Europe/Berlin:20260703T143000
DTSTAMP:20260701T144931Z
URL:https://qft.physik.hu-berlin.de/next-seminars/roman-stemplowski-hu-ber
 lin/
SUMMARY:Roman Stemplowski (HU Berlin) - 
DESCRIPTION:Speaker: Roman Stemplowski (HU Berlin)\n\nTitle: QFT in AdS at 
 1 loop\n\nAbstract:\nI study QFT in AdS at loop level. I focus on a partic
 ular AdS2 theory originating from a string worldsheet in AdS5xS5. This str
 ing is the holographic dual of a SUSY Wilson Loop in N=4 SYM. Through holo
 graphy\, some observables are known exactly in coupling and can be used to
  check any perturbative computations. Using this as a controlled environme
 nt\, I address a technical gap in AdS loop perturbation theory for models 
 with derivative interactions. Concretely\, using some version of dimension
 al regularisation compatible with SUSY\, I recover the NLO of some boundar
 y observable called « Bremsstrahlung function ». Along the way\, we cl
 arify the holographic dictionary for defect CFTs.\n\n\n\n\n\n\n\n\n\n\n\n\
 n\n
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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