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@inproceedings{Naus1997ConstructionOG, title={Construction of gauge invariant effective nucleonic theories : functional approach}, author={H. W. L. Naus}, year={1997} }

- Published 1997

Starting from relativistic quantum field theories, describing interacting nucleons and pions coupled to the dynamical electromagnetic field, the pion degrees of freedom are eliminated by means of functional integration. Apart from taking into account some operators perturbatively in e, e.g. the vacuum polarization, this procedure is exact, giving effective… CONTINUE READING

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