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Dec 1, 2018 at 20:32 comment added Melissa Thanks for your answer, and for the references! It is a fact that many expositions contain formulations like "when you rotate an electron...". I am asking what that means. As for Spin(3), that's the double cover of SO(3). It's also isomorphic to SU(2) but that's exceptional.
Dec 1, 2018 at 6:50 history edited anna v CC BY-SA 4.0
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Dec 1, 2018 at 5:57 history answered anna v CC BY-SA 4.0