The third and last category of hyperfine interactions, is the electric quadrupole interaction. Mathematically spoken, this interaction involves tensors of rank 2. This makes it less intuitive then the magnetic hyperfine interaction. You will be given, however, several handles to establish the similarity between the electric quadrupole interaction and the magnetic hyperfine interaction.
There is an optional written summary available for this chapter (‘electric quadrupole interaction’). Thanks to former student Jeffrey De Rycke for making this.
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.