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SUMMARY:The Regge bootstrap\, from linear to non-linear trajectories
DTSTART:20240226T140000
DTEND:20240226T150000
DTSTAMP:20260413T205157Z
UID:82987ec1085a4b8a987038153f918c7b81b07f4566ec5109970232aa
CATEGORIES:Conferences - Seminars
DESCRIPTION:Piotr Tourkine\nAbstract: Meromorphic amplitudes are the simpl
 est non-trivial scattering amplitudes. They describe the exchange of infin
 itely many higher spin resonances in theories like string theory and large
  N gauge theories. Yet\, despite being very simple objects\, their numeric
 al bootstrap has proven challenging due to slow convergence of the infinit
 e sums over resonances.\nIn this talk I will present the content of a rece
 nt paper where we managed to implement numerically a linear bootstrap prog
 ram that allow us to deform scattering amplitudes\, starting from the Vene
 ziano amplitude for open strings. The bootstrap heavily relies on Regge th
 eory. In this talk I’ll explain the basics of the bootstrap\, mostly how
  we apply crossing symmetry\, the trickiest aspect\, and show how it can b
 e used to construct amplitude with phenomenological features of gauge theo
 ries.
LOCATION:BSP 727 https://plan.epfl.ch/?room==BSP%20727
STATUS:CONFIRMED
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