Feynman diagrams

Synthese, vol. 199, pp. 15087–15111

Abstract

Abstract The way from the path integral to Feynman diagrams is sketched. The emphasis is put on the decrease of complexity in this process, from infinite-dimensional integrals down to the apparent simplicity of child’s play. On the other hand, also the subsequent increase in complexity when using Feynman diagrams to make realistic physical predictions is described, thus illustrating the dialectic between the simplicity and clarity of Feynman diagrams, and the complexity in their practical applications.

Authors 1

1. Robert V. Harlander corresponding Aachen

   RWTH Aachen University

   Affiliation as printed

   TTK, RWTH Aachen University, Aachen, Germany