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Worldline Green Functions for Multiloop Diagrams | | M. G. Schmidt
; C. Schubert
; | | Date: |
25 Mar 1994 | | Journal: | Phys.Lett. B331 (1994) 69-76 | | Subject: | hep-th hep-ph | | 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. | | Source: | arXiv, hep-th/9403158 | | Services: | Forum | Review | PDF | Favorites | |
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