Singularity-Free Electrodynamics for Point Charges and Dipoles: Classical Model for Electron Self-Energy and Spin

2002/08/20 by S. M. Blinder, Blinder, S. M.
Physics and Astronomy · #Classical Physics (physics.class-ph) #FOS: Physical sciences #General Physics (physics.gen-ph) #Quantum Mechanics and Applications #Quantum and Classical Electrodynamics #Relativity and Gravitational Theory #physics.class-ph #physics.gen-ph

paper · pdf · doi:10.48550/arxiv.physics/0208072

3 pages

arxiv created 2002/08/20 · openalex publication_date 2002/08/20 · arxiv updated 2009/12/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

It is shown how point charges and point dipoles with finite self-energies can be accomodated into classical electrodynamics. The key idea is the introduction of constitutive relations for the electromagnetic vacuum, which actually mirrors the physical reality of vacuum polarization. Our results reduce to conventional electrodynamics for scales large compared to the classical electron radius r₀≈ 2.8×10^-13 cm. A classical simulation for a structureless electron is proposed, with the appropriate values of mass, spin and magnetic moment.

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