25–28 Sept 2007
DESY Hamburg
Europe/Berlin timezone

High energy limit of R-current scattering in N=4 SYM

27 Sept 2007, 15:00
30m
Sem. 4b (DESY Hamburg)

Sem. 4b

DESY Hamburg

DESY Theory Group Notkestrasse 85 D-22603 Hamburg Germany

Speaker

Dr Michele Salvadore (II. Institut fuer Theoretische Physik, Universitaet Hamburg)

Description

We address the computation of the four-point function of R-currents in N=4 SYM in the Regge limit as a tool to study such regime in a gauge invariant framework. The R-current is a close analog of the EM current in QED and SQED, which couple a gauge invariant state ('photon') to a YM system. Gauge invariance guarantee that the amplitude is free from infrared divergences. We discuss some subtlelties associated with the fact the R-current are not associated with a gauge symmetry.

Based on preprint

to be published

Primary authors

Ms Anna-Maria Mischler (II. Institut fuer Theoretische Physik, Universitaet Hamburg) Prof. Jochen Bartels (II. Institut fuer Theoretische Physik, Universitaet Hamburg) Dr Michele Salvadore (II. Institut fuer Theoretische Physik, Universitaet Hamburg)

Presentation materials