A simple variational principle for classical spinning particle with anomalous magnetic momentum

TL;DR

This paper derives the equations of motion for a classical spinning particle with an anomalous magnetic moment using a Lagrangian variational principle involving Grassmann variables, providing a new theoretical framework.

Contribution

It introduces a simple variational principle approach to derive the Bargmann-Michel-Telegdi equations for spinning particles with anomalous magnetic moments.

Findings

Derived equations of motion using Grassmann variables

Provided a new variational framework for classical spinning particles

Enhanced understanding of magnetic moment effects in classical particles

Abstract

We obtain Bargmann-Michel-Telegdi equations of motion of classical spinning particle using Lagrangian variational principle with Grassmann variables.