The Zeeman Effect and the Stark Effect

Abstract

We now return to our treatment of the theory of atomic levels in a magnetic field. In Sect. 7.3, we took only the orbital magnetic moment into account. The lack of agreement of the so-called normal Zeeman effect with experiment led to the discovery of spin. We now consider the complete theory of the Zeeman effect, first for the hydrogen atom, and then for multi-electron atoms. In addition, the effect of an electric field on the energy levels of atoms will be investigated in this chapter.