Self-Action Effects In the Theory of Classical Spinning Charge

TL;DR

This paper investigates the back-reaction effects on a spinning charge in a constant electromagnetic field using the mass-shift method, revealing complex action contributions that influence radiation and polarization phenomena.

Contribution

It introduces a novel analysis of back-reaction effects for spinning charges, emphasizing the role of the mass-shift method in understanding radiation polarization.

Findings

Derived complex addition to classical action for g=2 magnetic moment

Identified dependence on unperturbed motion integrals affecting radiation

Provided insights into orbital radiation effects and polarization

Abstract

The back-reaction effects for the spinning charge moving through the constant homogeneous electromagnetic field are studied in the context of the mass-shift (MS) method. For the g=2 magnetic moment case we find the (complex) addition to the classical action. Its dependence on the integrals of the unperturbed motion proves to be important in determination of the orbital radiation effects and could assist in understanding the radiation polarization (RP) phenomenon.