It’s not always about the cat. Here, I will show how to hop from the time dependent Schrodinger equation to the Interaction picture form.

This post is intended to help recover a tiny fraction of the since-destroyed post I originally entitled “NMR and Spin Flipping part II.” I have every intention to reconstruct that post when I have time, but I decided to do it in fragments because the original loss was 5,000 words. 2,465 more words