# Self-interaction and gauge invariance

@article{Deser1970SelfinteractionAG, title={Self-interaction and gauge invariance}, author={S. Deser}, journal={General Relativity and Gravitation}, year={1970}, volume={1}, pages={9-18} }

A simple unified closed form derivation of the non-linearities of the Einstein, Yang-Mills and spinless (e.g. chiral) meson systems is given. For the first two, the non-linearities are required by locality and consistency; in all cases, they are determined by the conserved currents associated with the initial (linear) gauge invariance of the first kind. Use of first-order formalism leads uniformly to a simple cubic self-interaction.

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