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Solving the gauge Identities
The author shows how one may 'solve' the Ward-Takahashi identities of a gauge theory to determine the longitudinal Green functions in terms of the basic source propagators and in such a way that on-shell amplitudes reduce to their classical values. The method is demonstrated for scalar, spinor and vector sources in Lorentz covariant and non-covariant Abelian gauges; but for non-Abelian groups he works in the axial gauge in order to avoid fictitious terms which otherwise spoil the procedure.
History
Publication title
Journal of Physics A: Mathematical and GeneralVolume
11Issue
10Pagination
2057-2071ISSN
0305-4470Department/School
School of Natural SciencesPublisher
Iop Publishing LtdPlace of publication
Dirac House, Temple Back, Bristol, England, Bs1 6BeRepository Status
- Restricted