- #1
omoplata
- 327
- 2
The attached image is from "Quantum Mechanics: A self contained course" by Atkinson and Hounkonnou.
I've seen this used a lot, and I know this is simple, but I still don't know the principle behind this. From what theorem does this method come from? Can someone give me something like a Wikipedia link please?
Thanks.
I've seen this used a lot, and I know this is simple, but I still don't know the principle behind this. From what theorem does this method come from? Can someone give me something like a Wikipedia link please?
Thanks.