The Adjoint Vacuum Sector of Massless QCD2

Details The Adjoint Vacuum Sector of Massless QCD2 The Adjoint Vacuum Sector of Massless QCD2

2005-10-19

arxiv.org/abs/hep-th/0510167v1

Nucl.Phys. B703 (2004) 320

Physics

High Energy Physics

High Energy Physics - Theory

Talk presented by Y. Frishman at the Light Cone Workshop in Cairns, Australia, July 2005

Scientific paper

10.1016/j.nuclphysb.2004.10.019

We consider a "one current" state, obtained by appication of a color current on the "adjoint" vacuum, in $QCD_2$, with quarks in fundamental representation. The quarks are taken to be massless. The theory on the light-front can be "currentized", namely formulated in terms of currents only. The adjoint vacuum is obtained by applying a current derivative, at zero momentum, on the singlet vacuum. In general the "one current" states are not eigenstates of $M^2=2P^+P^-$, except in the large $N_f$ limit. Problems with infra-red regularizations are pointed out. Connection to fermionic structure is made.

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