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arXiv · hep-th/9209049

String Spectrum of 1+1-Dimensional Large N QCD with Adjoint Matter

S. Dalley·I. Klebanov
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Abstract

We propose gauging matrix models of string theory to eliminate unwanted non-singlet states. To this end we perform a discretised light-cone quantisation of large N gauge theory in 1+1 dimensions, with scalar or fermionic matter fields transforming in the adjoint representation of SU(N). The entire spectrum consists of bosonic and fermionic closed-string excitations, which are free as N tends to infinity. We analyze the general features of such bound states as a function of the cut-off and the gauge coupling, obtaining good convergence for the case of adjoint fermions. We discuss possible extensions of the model and the search for new non-critical string theories.

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S. Dalley, I. Klebanov. 1992-09-14. String Spectrum of 1+1-Dimensional Large N QCD with Adjoint Matter. https://doi.org/10.1103/physrevd.47.2517

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