On the Bosonic Spectrum of QCD(1+1) with SU(N) Currents
U. Trittmann
Abstract
In this note we calculate the spectrum of two-dimensional QCD. We formulate the theory with SU(Nc) currents rather than with fermionic operators. We construct the Hamiltonian matrix in DLCQ formulation as a function of the harmonic resolution K and the numbers of flavors Nf and colors Nc. The resulting numerical eigenvalue spectrum is free from trivial multi-particle states which obscured previous results. The well-known 't Hooft and large Nf spectra are reproduced. In the case of adjoint fermions we present some new results.
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