Nonlinear Electromagnetic Forces in Astrophysics
Lance Labun, Jan Rafelski
TL;DR
This paper explores how nonlinear electromagnetic effects, arising from quantum electrodynamics and alternative theories, influence forces on charged particles in astrophysical contexts, highlighting differences between QED and Born-Infeld models.
Contribution
It compares the impacts of QED-induced and Born-Infeld-type nonlinearities on electromagnetic forces in astrophysics.
Findings
QED nonlinearity modifies the force on charge probes.
Born-Infeld nonlinearity offers an alternative nonlinear framework.
Implications for astrophysical phenomena are discussed.
Abstract
Electromagnetism becomes a nonlinear theory having (effective) photon-photon interactions due at least to electron-positron fluctuations in the vacuum. We discuss the consequences of the nonlinearity for the force felt by a charge probe particle, and compare the impact of Euler-Kockel QED effective nonlinearity to the possibility of Born-Infeld-type nonlinearity.
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