Perturbation theory for two-dimensional gauge models |
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Authors: | Ion Olimpiu Stamatescu Tai Tsun Wu |
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Affiliation: | CERN, Geneva, Switzerland |
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Abstract: | Euclidean symmetric integration, previously proposed for the SU(N) Yang-Mills theory in the limit of large N, is used to study the propagators in the Schwinger model and the massive vector-meson model in two dimensions. The result of summing the perturbation series agrees with the exact solution in each case. Therefore, perturbation theory is here capable of dealing with non-analytic behaviour in the coupling constant. |
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