Amazed by the closeness of equations for orbital angular momentum L and spin angular momentum S, I can't help asking is associated Legendre differential equation involved in solving spin function? I only heard that spin naturally comes from treatment of quantum mechanics with relativity theory. The fact that the solution for spin is so similar to that for orbital angular momentum really intrigues me. I'm eager to be educated. Thanks.(adsbygoogle = window.adsbygoogle || []).push({});

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# Associated Legendre differential equation involved in solving spin function?

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