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SUMMARY:Lightcone Conformal Truncation and the S-matrix Bootstrap\, Togeth
 er at Last
DTSTART:20211101T140000
DTEND:20211101T153000
DTSTAMP:20260408T115636Z
UID:8c5af49616a245c4417c5a0628e49ffa643133bc6782c2be32fc762f
CATEGORIES:Conferences - Seminars
DESCRIPTION:Liam Fitzpatrick (Boston University)\nA compelling view of Qua
 ntum Field Theories (QFTs) is that they are points along the RG flow betwe
 en fixed points described by Conformal Field Theories (CFTs)\, which in tu
 rn are fully characterized by a discrete set of "CFT data". In this talk\,
  we describe how this picture can be turned into a useful calculational to
 ol for studying QFT at strong coupling by applying a variational method mo
 tivated by the conformal structure of the ultraviolet CFT fixed point of t
 he theory. We describe how combining this method with the S-matrix bootstr
 ap\, and a recent generalization of it that involves spectral densities an
 d form factors\, one can efficiently extract precise scattering amplitudes
  in 2d phi^4 theory for couplings that range from the perturbative regime 
 up to near the critical point.\n 
LOCATION:https://epfl.zoom.us/j/61836464547?pwd=WUxJZFlQeG5QajBWbkp6ZGc1NX
 Rodz09
STATUS:CONFIRMED
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