A refined solution of two-dimensional-mo
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F Schwabl; W Thirring; J Wess
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Article
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1967
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Elsevier Science
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English
β 954 KB
In the formulation of the model, special care was given to the definition of t,he current as the product of field operators. It is shown that a product of field operators, where the space-time points coincide, can be defined as the limit of products with the points separated and that the limit exist