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Singularity-free electrodynamics for point charges and dipoles: a classical model for electron self-energy and spin

S M Blinder

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It is shown how point charges and point dipoles with finite self-energies can be accommodated in 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 × 10−15 m. A classical simulation for a structureless electron is proposed, with the appropriate values of mass, spin and magnetic moment.


PACS

41.20.-q Applied classical electromagnetism

Subjects

Accelerators, beams and electromagnetism

Dates

Issue 3 (May 2003)

Received 9 December 2002, in final form 17 February 2003

Published 10 March 2003



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