Elsevier

Nuclear Physics B

Volume 949, December 2019, 114828
Nuclear Physics B

Electromagnetic angular momentum of the electron: One-loop studies

https://doi.org/10.1016/j.nuclphysb.2019.114828Get rights and content
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Abstract

We study angular momentum of the electron stored in its electric and magnetic fields. We use for this purpose quantum electrodynamics in the covariant gauge. We show that a finite one-loop result for such angular momentum can be obtained without invoking any renormalization procedure. We compare it to the classical estimation relying on a short-distance cutoff.

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