The QCD spin chain S matrix

Details The QCD spin chain S matrix The QCD spin chain S matrix

2007-11-15

arxiv.org/abs/0711.2415v3

Nucl.Phys.B798:402-422,2008

Physics

High Energy Physics

High Energy Physics - Theory

25 pages, 1 figure; v2: references added

Scientific paper

10.1016/j.nuclphysb.2007.12.026

Beisert et al. have identified an integrable SU(2,2) quantum spin chain which
gives the one-loop anomalous dimensions of certain operators in large N QCD. We
derive a set of nonlinear integral equations (NLIEs) for this model, and
compute the scattering matrix of the various (in particular, magnon)
excitations.

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