11–15 May 2026
El Escorial
Europe/Madrid timezone

QCD–QG Duality and Discrete BFKL Evolution in Multi-Regge Kinematics

15 May 2026, 13:00
20m
El Escorial

El Escorial

Casa E. San José, Av. Reyes Católicos, 12 - 28280 El Escorial - Madrid

Speaker

Josep Rubi Bort (IFT)

Description

QCD–QG Duality and Discrete BFKL Evolution in Multi-Regge Kinematics We present a novel approach to computing duality relations between Quantum Chromodynamics (QCD) and Quantum Gravity (QG) in the Multi-Regge Kinematics (MRK) limit. This framework leverages Mathematica-based tools—FeynArts, FeynCalc, and FeynGrav—with a new implementation that integrates FeynGrav into FeynArts, enabling significantly faster generation of QG diagrams. We outline the procedure through which duality relations naturally emerge, focusing on the conceptual structure rather than technical detail. Within the same MRK framework, we also present recent results on a discretized formulation of the BFKL equation. By constructing recursion relations, we describe the evolution of the gluon Green function and establish a connection with the Knizhnik–Zamolodchikov equation. This approach reveals the appearance of Harmonic Polylogarithms and leads to a direct link with anomalous dimension coefficients, which we successfully recover within our formalism.

Author

Presentation materials