Summary
We solve the Green’s function equation for a gauge field both in presence of the sharp gauge fixingx·A=0 and with the gauge-fixing term (x·A)2/2β. The ensuing propagators are symmetric in the field arguments.
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Work partially supported by MURST
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Menotti, P., Seminara, D. The radial gauge propagator. Nuov Cim A 106, 187–198 (1993). https://doi.org/10.1007/BF02800061
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DOI: https://doi.org/10.1007/BF02800061