Abstract
Dimensional renormalization is defined in such a way that the renormalized action principle holds. It is shown that this leads to a minimal, additive renormalization. The derivation of Ward-Takahashi indentities and Callan-Symanzik equations from the action principle is exemplified.
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Breitenlohner, P., Maison, D. Dimensional renormalization and the action principle. Commun.Math. Phys. 52, 11–38 (1977). https://doi.org/10.1007/BF01609069
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DOI: https://doi.org/10.1007/BF01609069