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Jun 10, 2020 at 8:40 comment added Davide Morgante @TheoreticalMinimum Yep, you could. In the beginning I was thinking of an hydrogen-like problem so that the kets I've used made the most sense. But clearly it's just a matter of notation!
Jun 9, 2020 at 23:14 comment added user224659 @DavideMorgante I think this notation is a bit misleading.. one should at least put $|n,l\rangle$ in the front braket.
Jun 9, 2020 at 21:41 comment added Davide Morgante I'm happy it helped!
Jun 9, 2020 at 21:38 comment added ChemiCalChems Ok, seems nice! Thank you so much!
Jun 9, 2020 at 21:37 comment added Davide Morgante Ohw ok, then it's perfectly fine. But still you cannot identify a ket $|n\rangle$ with a wavefunction. Since you're only interested in the radial part, and so on the angular momenta, you can just call it $|n\rangle$ and leave it at that since you don't have the specifics of the radial part. It'll just count as a placeholder for it.
Jun 9, 2020 at 21:34 comment added ChemiCalChems It's not defined to be an electron in a hydrogen-like atom, just the wavefunction of a spinless particle.
Jun 9, 2020 at 21:31 comment added Davide Morgante If I'm not mistaken there could be an error in the definition of the $\Psi$ wavefunction since, on the top of my head, the only radial solution proportional to $e^{-r}$ should be $R_{10}$ which is in contrast with the $l=1$ of the angular part. But I could be wrong here
Jun 9, 2020 at 21:28 comment added Davide Morgante Well that's not good enough. You should check the radial wavefunction solutions to the hydrogen atom $R_{nl}(r)$ which will depend on the $n$ quantum number. When you find the right $R_{nl}$ then you'll have the $n$ to write down the associated ket $|n\rangle$
Jun 9, 2020 at 21:23 vote accept ChemiCalChems
Jun 9, 2020 at 21:23 comment added ChemiCalChems I've been knocking myself in the head for far too long, this makes sense. Just one question, I assume I'd be defining $|n\rangle = e^{-r}$ myself, right?
Jun 9, 2020 at 21:22 history answered Davide Morgante CC BY-SA 4.0