You’re done with the general framework of hyperfine interactions. The next task ahead, is to examine specific manifestations of hyperfine interactions. These are the features that later on will play a role in experimental measurements. In this chapter you deal with the first one, the electric monopole shift.
If you take this course in sync with the spring edition at Ghent University, then please observe the due date for the activities of this week. Mind that this chapter and the previous one (quantum version) are taken together into one week.