Quantum electrodynamics nuclear size

The spectrum of hydrogen and one-electron ions provides a direct test of bound-state quantum electrodynamics. Except for finite nuclear-size and mass (recoil)... [Pg.184]

The theoretical energy levels are determined to high accuracy by the Dirac eigenvalue, quantum electrodynamic effects such as the self energy and vacuum polarization, finite-nuclear-size corrections, and nuclear motion effects. [Pg.86]

Quantum electrodynamics is believed to provide a very good theory for the hydrogen atom, although the predictions of calculations 5 are limited by the uncertainties of fundamental constants, by unknown nuclear size and structure effects, and by computational approximations. Fortunately... [Pg.170]