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Nonperturbative characteristics of Green functions
I will describe a method of deriving a nonperturbative Green function in a manner which captures the topology of the corresponding Feynman diagram, via the skeleton expansion. This allows one to determine the anomalous dimensions of the field theory in question as a function of the coupling constants.
History
Publication title
Nuclear Physics B Proceedings SupplementsVolume
141Issue
Special IssuePagination
63-67ISSN
0920-5632Department/School
School of Natural SciencesPublisher
Elsevier Science BVPlace of publication
LondonRepository Status
- Restricted