Abstract
The repulsive case of the quantum version of the massive Thirring model is considered. It is shown that there is a rich particle spectrum in the theory. TheS matrix of fermions proves to be a discontinuous function of the coupling constant. These effects are the result of the qualitative change of the physical vacuum in the limit of the strong repulsiong →−π.
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Korepin, V.E. The mass spectrum and theS matrix of the massive Thirring model in the repulsive case. Commun.Math. Phys. 76, 165–176 (1980). https://doi.org/10.1007/BF01212824
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DOI: https://doi.org/10.1007/BF01212824