Physics – High Energy Physics – High Energy Physics - Theory
Scientific paper
1999-02-09
Physics
High Energy Physics
High Energy Physics - Theory
8 pages, no figure, ptptex
Scientific paper
We study a massive Thirring-like model in 2-dimensional space-time, which contains fermions with arbitrary number (N) of different species. This model is an extension of that of a previous paper, where we have considered two-species case. By this extension we expect that we can expose more general structures of this kind of model. We obtain the equivalent boson model with N species to our fermion model. We find that the coupling constant must be set in some regions in order for the model to be physically sensible. It seems hard to find such regions from direct obsavation of the original fermion model. We also find that for specific values of the coupling constant some of the boson fields disappear from the system. Therefore, the N-species fermion model is described by the boson model with fewer species.
Fukuoka Yasuaki
Sakamoto Jiro
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