Pantheon SEMPARIS Le serveur des séminaires parisiens Paris

Statut Confirmé
Domaines hep-th
Date Mercredi 14 Fevrier 2018
Heure 11:30
Institut IPHT
Salle 35
Nom de l'orateur Korchemsky
Prenom de l'orateur Gregory
Addresse email de l'orateur
Institution de l'orateur IPHT Saclay
Titre Strongly gamma-deformed N = 4 SYM as an integrable CFT
Résumé We demonstrate by explicit multi-loop calculation that gamma-deformed planar N = 4 SYM, supplemented with a set of double-trace counter-terms, has two nontrivial fixed points in the recently proposed double scaling limit, combining vanishing ’t Hooft coupling and large imaginary deformation parameter. We provide evidence that, at the fixed points, the theory is described by an integrable non-unitary four-dimensional CFT. We find a closed expression for the four-point correlation function of the simplest protected operators and use it to compute the exact conformal data of operators with arbitrary Lorentz spin. We conjecture that both conformal symmetry and integrability should survive in gamma-deformed planar N = 4 SYM for arbitrary values of the deformation parameters.
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