Displacement Operator Formalism

Details Displacement Operator Formalism Displacement Operator Formalism

2005-12-02

arxiv.org/abs/hep-ph/0512030v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages, presented at the International Europhysics Conference on High Energy Physics, HEP-EPS 2005, Lisbon, Portugal, July 21

Scientific paper

We review the D-formalism, a new method for determining the renormalization of Green functions to all orders in perturbation theory. This formalism exploits the fact that the renormalized Green functions may be calculated by displacing by an infinite amount the renormalized fields and parameters of the theory with respect to the unrenormalized ones. We briefly discuss some of its main characteristics, its conceptual and practical advantages, and some new results obtained through it.

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