Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1998-05-27
Phys.Lett. B439 (1998) 142-149
Physics
High Energy Physics
High Energy Physics - Theory
14 pages, Latex
Scientific paper
10.1016/S0370-2693(98)01023-5
We consider SU(N) QCD_{1+1} coupled to massless adjoint Majorana fermions, where N is finite but arbitrary. We examine the spectrum for various values of N, paying particular attention to the formation of multi-particle states, which were recently identified by Gross, Hashimoto and Klebanov in the N -> infinity limit of the theory. It is believed that in the limit of vanishing fermion mass, there is a transition from confinement to screening in which string-like states made out of adjoint fermion bits dissociate into stable constituent ``single particles''. In this work, we provide numerical evidence that such a transition into stable constituent particles occurs not only at large N, but for any finite value of N. In addition, we discuss certain issues concerning the ``topological'' properties exhibited by the DLCQ spectrum.
Antonuccio Francesco
Pinsky Stephen
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