Abstract
A field belonging to a Heisenberg type particle equation with operators derived from the elements of a commutator ring is quantized according to Fermi statistics. The resulting anticommutator is shown to be more general than the Lehmann-Källén type. It contains a density function for every mass value, that may be used to regularize, with the help of an indefinite metric, theδ-function without implications for the mass spectrum.
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Wessel, W. über eine natürliche Regularisierung von Zweipunktfunktionen. Z. Physik 206, 471–482 (1967). https://doi.org/10.1007/BF01325703
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DOI: https://doi.org/10.1007/BF01325703