- Journal Article
Rights / licenseCreative Commons Attribution 4.0 International
A concise discussion of a 3+1-dimensional derivative coupling model, in which a massive Dirac field couples to the four-gradient of a massless scalar field, is given in order to elucidate the role of different concepts in quantum field theory like the regularization of quantum fields as operator-valued distributions, correlation distributions, locality, causality, and field operator gauge transformations. Show more
Journal / seriesThe European Physical Journal C
Pages / Article No.
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