Abstract
We consider a bound system of particles interacting via electromagnetic forces in an external electromagnetic field, including leading relativistic corrections. Each particle has a definite mass, charge, spin, and charge radius. We introduce suitable canonical transformations and a perturbation scheme to obtain a Hamiltonian which describes the global dynamics of the system. This enables the derivation of formulas for various electromagnetic moments, such as the magnetic dipole moment, the mean-square charge radius, and the electric dipole polarizability.
- Received 10 July 2014
DOI:https://doi.org/10.1103/PhysRevA.90.022508
©2014 American Physical Society