In quantum field theory, a Slavnov–Taylor identity is the non-Abelian generalisation of a Ward–Takahashi identity, which in turn is an identity between correlation functions that follows from the global or gauged symmetries of a theory, and which remains valid after renormalization. The identity was originally discovered by Gerard 't Hooft, and it is named after Andrei Slavnov and John C. Taylor who rephrased the identity to hold off the mass shell.
References
- Weinberg, Steven (1995). The quantum theory of fields. Vol. 2. Cambridge university Press. p. 76. ISBN 9780521550024.
- 't Hooft, G. (1971). "Renormalization of Massless Yang-Mills Fields". Nucl. Phys. B. 33 (1): 173–199. Bibcode:1971NuPhB..33..173T. doi:10.1016/0550-3213(71)90395-6.
- Taylor, J. C. (1971). "Ward identities and charge renormalization of the Yang-Mills field". Nucl. Phys. B. 33 (2): 436–444. Bibcode:1971NuPhB..33..436T. doi:10.1016/0550-3213(71)90297-5.
- Slavnov, A. A. (1972). "Ward identities in gauge theories". Theoretical and Mathematical Physics. 10 (2): 99–104. Bibcode:1972TMP....10...99S. doi:10.1007/BF01090719. S2CID 119870789.
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