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SUMMARY:Effective Field Theory for Holographic Compact Objects
DTSTART:20261028T140000Z
DTEND:20261028T150000Z
DTSTAMP:20261027T171000Z
UID:indico-event-2298@indico.lip.pt
CONTACT:pbras@lip.pt\;psilva@uc.pt
DESCRIPTION:Speakers: Filipe Serrano (Centro de Física do Porto e Departa
 mento de Física e Astronomia\, Faculdade de Ciências da Universidade do 
 Porto)\n\nWe study heavy-heavy-light-light correlators in holographic CFTs
  when the heavy operator is dual to a compact object localized on scales m
 uch smaller than the AdS radius. In the long-wavelength regime\, the inter
 nal structure of the heavy state is described by a worldline effective fie
 ld theory\, whose local operators encode finite-size response coefficients
  such as tidal Love numbers. Focusing on weakly self-gravitating objects\,
  we show that the Witten diagrams generated by local heavy-light interacti
 ons reorganize into the Born series of an effective wave equation for the 
 light bulk field. We reproduce the same correlator by solving this wave eq
 uation with localized interactions and identify how the worldline Wilson c
 oefficients are encoded in the CFT data. Our results provide a direct rela
 tion between the finite-size response of compact objects in AdS and the di
 mensions and OPE coefficients of heavy-light and light-light composite ope
 rators in the dual CFT.\n\nhttps://indico.lip.pt/event/2298/
LOCATION:Sala de Conferências (Departamento de Física FCTUC)
URL:https://indico.lip.pt/event/2298/
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