Abstract
A static field and self-energy of a particle are considered for a particle charge distributed throughout a 2 + 1-measurement space. The potential of the static field for r → ∞ has the same asymptotics as for the delta form factor, provided an account is taken of the contribution from vacuum polarization; at the origin of coordinates, the above potential is regular. The proposed form factor allows a relation for the particle charge distribution to be derived in a closed form. The diagonal tension-tensor components of the particle-generated field are found to vanish and the particle field mass calculated using the classical method appears to be finite in the case where the proposed form factor is used. This mass coincides with that obtained through quantum calculations by the order of magnitude.
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Pevzner, M.S. On the Charge Form Factor and Eigenvalue of Fermion Energy in a Three-Dimensional Electrodynamics. Russian Physics Journal 46, 656–661 (2003). https://doi.org/10.1023/B:RUPJ.0000008194.91332.3b
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DOI: https://doi.org/10.1023/B:RUPJ.0000008194.91332.3b