Fermion Green functions in non-abelian gauge theories in four dimensions

Details Fermion Green functions in non-abelian gauge theories in four dimensions Fermion Green functions in non-abelian gauge theories in four dimensions

1995-05-24

arxiv.org/abs/hep-ph/9505370v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, postscript format; Invited talk at the 17th Annual Montreal-Rochester- Syracuse-Toronto (MRST) Meeting, Rochester, Ma

Scientific paper

In this work we study the critical behavior and momentum dependence of chirality-flipping fermion 4-point functions in non-abelian gauge theories. Our formalism is based on the Schwinger-Dyson system of equations. Considering the large-N limit of an SU(N) theory simplifies the problem considerably, showing us clearly which Green functions can be non-zero and which not. It also allows us to draw conclusions on chirality-flipping n-point functions for n larger than four.

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