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Extension of Renormalizability

S. S. Wu·H. B. Yao·Y. J. Yao
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Abstract

Arguments are provided which show that extension of renormalizability in quantum field theory is possible. A dressed scheme for the perturbation expansion is proposed. It is proven that in this scheme a nonrenormalizable interaction becomes renormalizable in the restrictive sense, i.e. its ultraviolet divergences can be cancelled by a finite number of counterterms included in the Lagrangian. As an illustration, the renormalization of the $π$-nucleon pseudovector interaction is discussed in some detail.

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S. S. Wu, H. B. Yao, Y. J. Yao. 2006-11-14. Extension of Renormalizability. https://arxiv.org/abs/hep-ph/0611187

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