On gauge invariant regularization of fermion currents

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We compare Schwinger and complex powers methods to construct regularized fermion currents. We show that although both of them are gauge invariant they not always yield the same result.
10 pages, 1 figure

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Mathematical Physics, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/56580

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/math-ph/0007004
 http://arxiv.org/abs/math-ph/0007004
 Lett.Math.Phys. 53 (2000) 157-165

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arXiv