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Generalized fishnets and exact four-point correlators in chiral CFT4

  • Vladimir Kazakov
  • Enrico Olivucci
  • Michelangelo PretiEmail author
Open Access
Regular Article - Theoretical Physics

Abstract

We study the Feynman graph structure and compute certain exact four-point correlation functions in chiral CFT4 proposed by Ö. Gürdŏgan and one of the authors as a double scaling limit of γ-deformed \( \mathcal{N}\mathrm{Unknown}\ \mathrm{character}\ \left(0\mathrm{x}\mathrm{F}700\right)\ \mathrm{from}\ "\mathrm{Euclid}\ \mathrm{Math}\ \mathrm{One}"\ \left(0\mathrm{x}3\mathrm{D}\right) = 4 \) SYM theory. We give full description of bulk behavior of large Feynman graphs: it shows a generalized “dynamical fishnet” structure, with a dynamical exchange of bosonic and Yukawa couplings. We compute certain four-point correlators in the full chiral CFT4, generalizing recent results for a particular one-coupling version of this theory — the bi-scalar “fishnet” CFT. We sum up exactly thecorresponding Feynman diagrams, including both bosonic and fermionic loops, by Bethe-Salpeter method. This provides explicit OPE data for various twist-2 operators with spin, showing a rich analytic structure, both in coordinate and coupling spaces.

Keywords

Conformal Field Theory Integrable Field Theories 

Notes

Open Access

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Copyright information

© The Author(s) 2019

Authors and Affiliations

  1. 1.Laboratoire de Physique Théorique de l’ École Normale SupérieureParis Cedex 05France
  2. 2.Université Paris-VI, PSL Research UniversitySorbonne UniversitésParisFrance
  3. 3.II. Institut für Theoretische PhysikUniversität HamburgHamburgGermany

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