Is the Fermi Theory of Weak Interactions a Yang-Mills Theory in Disguise?
- 19 June 1978
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 40 (25), 1620-1623
- https://doi.org/10.1103/physrevlett.40.1620
Abstract
We outline the proof of a consistent renormalization scheme for the Fermi theory in the context of a mean-field expansion in the collective excitation . Ward's identities show that there is only one mass and coupling and that the induced vertices are identical to those of Yang-Mills theory with elementary gauge fields at low energy. The Green's-functions equations are displayed and used to derive an eigenvalue restriction on the coupling.
Keywords
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