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SUMMARY:The perturbative bootstrap of the Wilson-line defect CFT - Daniele
  Artico (Università degli Studi di Parma)
DTSTART:20251202T100000Z
DTEND:20251202T113000Z
UID:TALK241462@talks.cam.ac.uk
DESCRIPTION:Conformal line defects play a crucial role as observables in p
 hysics\, with applications ranging from condensed-matter systems to high-e
 nergy physics. They also provide a valuable platform for studying new tech
 niques in quantum field theory\, as they break the conformal symmetry of t
 he bulk theory in a controlled manner. The defect conformal field theory i
 nvolving a Maldacena-Wilson line in N=4 supersymmetric Yang-Mills (SYM) th
 eory is particularly compelling\, as it preserves a significant portion of
  the supersymmetry and exhibits a one-dimensional CFT formed by correlator
 s of excitations localized on the defect. In this talk\, I will discuss a 
 perturbative bootstrap framework that enables the computation of correlati
 on functions in this theory at weak coupling. This method integrates non-p
 erturbative insights\, such as superconformal symmetry\, with minimal pert
 urbative input. I will present results for multipoint correlators of defec
 t operators as well asbulk-defect-defect correlators. These correlators co
 ntain in principle a wealth of previously inaccessible CFT data and offer 
 promising directions for further developments in the defect bootstrap prog
 ram.
LOCATION:Seminar Room 2\, Newton Institute
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