Worldline Green Functions for Multiloop Diagrams
Preprint
- 25 March 1994
Abstract
We propose a multiloop generalization of the Bern-Kosower formalism, based on Strassler's approach of evaluating worldline path integrals by worldline Green functions. Those Green functions are explicitly constructed for the basic two-loop graph, and for a loop with an arbitrary number of propagator insertions. For scalar and abelian gauge theories, the resulting integral representations allow to combine whole classes of Feynman diagrams into compact expressions.Keywords
All Related Versions
- Version 1, 1994-03-25, ArXiv
- Published version: Physics Letters B, 331 (1-2), 69.
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