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Type: Artigo de periódico
Title: A Generalization Of Dirac Nonlinear Electrodynamics, And Spinning Charged Particles
Author: Rodrigues Jr. W.A.
Vaz Jr. J.
Recami E.
Abstract: In this paper-dedicated to Prof. Asim O. Barut-we generalize the Dirac non-linear electrodynamics by introducing two potentials (namely, the vector potential A and the pseudo-vector potential γ5B of the electromagnetic theory with charges and magnetic monopoles) and by imposing the pseudoscalar part of the product ωω* to be zero, with ω≡A+γ5B. We show that the field equations of such a theory possess a soliton-like solution which can represent a priori a "charged particle," since it is endowed with a Coulomb field plus the field of a magnetic dipole. The rest energy of the soliton is finite, and the angular momentum stored in its electromagnetic field can be identified-for suitable choices of the parameters-with the spin of the charged particle. Thus, this approach seems to yield a classical model for the charged (spinning) particle which does not encounter the problems met by earlier attempts in the same direction. © 1993 Plenum Publishing Corporation.
Editor: Kluwer Academic Publishers-Plenum Publishers
Rights: fechado
Identifier DOI: 10.1007/BF01883725
Date Issue: 1993
Appears in Collections:Unicamp - Artigos e Outros Documentos

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