| Issue |
EPL
Volume 125, Number 5, March 2019
|
|
|---|---|---|
| Article Number | 51001 | |
| Number of page(s) | 5 | |
| Section | The Physics of Elementary Particles and Fields | |
| DOI | https://doi.org/10.1209/0295-5075/125/51001 | |
| Published online | 15 April 2019 | |
Coulomb's law modification driven by a logarithmic electrodynamics
1 Departamento de Física and Centro Científico- Tecnológico de Valparaíso-CCTVal, Universidad Técnica Federico Santa María - Valparaíso, Chile
2 Centro Brasileiro de Pesquisas Físicas (CBPF) - Rio de Janeiro, RJ, Brasil
Received: 8 November 2018
Accepted: 8 March 2019
We examine physical aspects for the electric version of a recently proposed logarithmic electrodynamics, for which the electric field of a point-like charge is finite at the origin. It is shown that this electrodynamics displays the vacuum birefringence phenomenon in the presence of external magnetic field. Afterwards we compute the lowest-order modification to the interaction energy by means of the gauge-invariant but path-dependent variables formalism. These are shown to result in a long-range (
-type) correction, in addition to a linear and another logarithmic correction, to the Coulomb potential.
PACS: 14.70.-e – Gauge bosons / 12.60.Cn – Extensions of electroweak gauge sector / 13.40.Gp – Electromagnetic form factors
© EPLA, 2019
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